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Alja [10]
3 years ago
11

Mara bought a bag that contained 16

Mathematics
2 answers:
satela [25.4K]3 years ago
8 0

Answer:

9 batches of cookies

Step-by-step explanation:

Mara bought a bag that contained 16

cups of sugar. She uses 2/3 cup of

sugar each time she makes a batch of

cookies.<em> If the </em>bag now has 10 cups <em>of </em>

<em>sugar </em>left<em>, how many </em>batches of cookies<em> </em>

<em>has she </em>made<em>?</em> (Show equation)

Well, if the bag originally had 16 cups and now it has 10 cups, then you have to subtract 10 from 16 (16-10). 16 - 10 = 6 cups used. Now you have to divide 2/3 from 6 (6 ÷ 2/3). 6 ÷ 2/3 = 9 batches of cookies.

Alisiya [41]3 years ago
5 0

Answer:

  • 2/3b = 6
  • 9 batches

Step-by-step explanation:

You can write an equation for the total amount of sugar, or you can write one for the amount used. If b is the number of batches of cookies, 2/3b is the number of cups of sugar used to make cookies.

  2/3b + 10 = 16 . . . . . all of the sugar

  2/3b = 6 . . . . . . . . . .cups of sugar used

The second equation is the result of subtracting 10 from the first equation.

  b = (3/2)(6) = 9 . . . . . multiply by 3/2

Mara made 9 batches of cookies.

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