Answer: Since each recipe makes 28 cookies, tripling the recipe would give him 28(3) = 84 cookies.
Step-by-step explanation: <em>Since each recipe makes 28 cookies, tripling the recipe would give him 28(3) = 84 cookies.
</em>
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<em>Then divide the total number of cookies by the number of guests: 84 21 = 4. Each person would get 4 cookies.</em>
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<em>This process can be modeled by the expressions 28(3) ÷ 21 and </em>
<em>28(3)
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<em>21
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<em>. This is because the fraction bar represents division.</em>
Answer:
80 questions
Step-by-step explanation:
100%/20%=5%
5×16=80
Answer:

Step-by-step explanation:
Both the numerator and denominator of the fraction
share a common factor of 2, so you can divide the fraction by
(1). This leaves you with:
÷
= 
This means that the fraction
.
Answer:
x-4>=7
Step-by-step explanation:
x- how much flour needed at the start
x-4 used for rolls