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How many ounces of pure water must be added to 50 oz of a 15% saline solution to make a saline solution that is 10% salt?

50 ounces of 15% saline solution contains 0.15*50 = 7.5 ounces of salt. Let x be the amount of pure water you add to this solution. Then you end up with (x + 50) ounces of this new solution.

How much water should be added to 20 ounces of a 15% solution of alcohol to dilute it to a 10% solution?

= 20+w, or 30 = 20 + w, which implies w = 10. Answer. 10 ounces of water must be added.

How do you solve math word problems?

It is possible to solve word problems when two people are doing a work job together by solving systems of equations. To solve a work word problem, multiply the hourly rate of the two people working together times the time spent working to get the total amount of time spent on the job.

Can you do word problems on PhotoMath?

With Photomath Plus, users get access to upgraded features including custom-made solutions and explanations for all problems in specific math textbooks. And yes, by all we mean word problems and equations too!

Is there an app to help solve word problems?

There’s now an app for that. PhotoMath promises to help solve simple linear equations and other math problems by “reading” questions with the help of your smartphone camera. But an answer isn’t all you’ll get from this free app. PhotoMath is now available for iOS and Windows mobile devices.

Is there a website that solves math word problems?

Welcome to Webmath! You’ll find hundreds of instant-answer, self-help, math solvers, ready to provide you with instant help on your math problem. Webmath is a math-help web site that generates answers to specific math questions and problems, as entered by a user, at any particular moment.

Can Wolfram Alpha solve word problems?

Because the Wolfram Language has powerful symbolic computation ability, Wolfram|Alpha can interpret basic mathematical word problems and give descriptive results. Word Problems. Solve a word problem and explore related facts.

Is Wolfram Alpha accurate?

Regarding data retrieval, Wolfram|Alpha can only be as correct as the data sources it uses. I think it’s safe to assume that the people behind Wolfram|Alpha choose only reliable data sources, but with so much data from so many sources there must be some (very small) amount of data that is incorrect.

Does Wolfram Alpha Show steps?

Wolfram|Alpha can demonstrate step-by-step solutions over a wide range of problems. This functionality will be expanded to include steps for solutions in other mathematical areas. The “Show steps” feature allows you to learn basic mathematics on your own, or it can simply be a nice way to check your work!

Is Wolfram Alpha cheating?

Cheating and AI Wolfram|Alpha describes itself as a “Computational Knowledge Engine”. Though not an artificial intelligence itself, it uses many of the same tools to understand language and answer a wide variety of questions. To some, Wolfram|Alpha represents a form of cheating, a shortcut to doing required work.

How do I get Wolfram for free?

First you have to sign up for Wolfram Programming Cloud. There are multiple tiers however the “Free” tier works for this method. You can sign up here. After signing up you will be greeted with this screen, select “Create a New Notebook”.

Does Mathematica show steps?

Mathematica by itself does not give step by step solutions to inputs , however one can add some Mathematica symbols and assumptions , options or conditions to get additional steps or modifications related to the solutions .

What is Wolfram Alpha notebook edition?

Wolfram|Alpha Notebook Edition combines the best of both Wolfram|Alpha and Mathematica into a single, unified tool perfect for teaching and learning. Use free-form input to get instant answers to questions, create and customize graphs, and turn static examples into dynamic models.

Is there a free version of Mathematica?

Mathics is a free, open-source general-purpose computer algebra system featuring Mathematica-compatible syntax and functions.

How do you hide a code in Mathematica?

On a mac, Alt-click on the cell marker on the right for an InputCell containing the code, this should select ALL input cells. Then go to the Cell -> Cell Properties menu at the top and unselect the Open item. All the input cells should hide.

What is Wolfram Alpha used for?

What Is Wolfram|Alpha? Wolfram|Alpha is a unique engine for computing answers and providing knowledge. It works by using its vast store of expert-level knowledge and algorithms to automatically answer questions, do analysis and generate reports.

Do you have to pay for Wolfram Alpha?

Is Wolfram|Alpha free to use? Yes, it’s free for personal noncommercial use as described in its Terms of Use. Access to enhanced features and ad-free site use is available through a subscription to Wolfram|Alpha Pro.

Does Siri use Wolfram Alpha?

Rather than return a list of Google search results, Siri uses Wolfram Alpha to generate what it believes is the correct answer. In recent versions of iOS, Wolfram Alpha has been integrated further, known under the umbrella term Siri Knowledge.

What does Wolfram Alpha mean?

WolframAlpha (also styled Wolfram|Alpha) is a computational knowledge engine or answer engine developed by WolframAlpha LLC, a subsidiary of Wolfram Research.

How do I get Wolfram?

How to Get WolframAlpha Pro

  1. Go to and click “Create Account”
  2. Fill out form using a email, and click “Create Wolfram ID”
  3. Check your email and click the link to validate your Wolfram ID.