You simply use this operation:
- total students are 305, we need to find how many of thm play instrumenst if 40% does.
40% can be rewrited as 0,4 in decimal.
than we simply utilise a basic percentage operation which allows us to find A PART of somethin=>
305×0,4= students who instruments.
The pints of vegetable stock the chef needs is
.
<h3>How many pints does he need?</h3>
The first step is to determine the unit of conversion of cups to pints.
1 cup = 0.5 pints
To convert cup to pints, multiply 7 by 0.7
7 x 0.5 = 7/2 = 
To learn how to convert units, please check: brainly.com/question/25993533
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Mrs. Walters: 14.4 miles per gallon
Mr. Walters: 15 miles per gallon
Mr. Walters is getting the better mileage per gallon.