Carey baked 10 cookies with 2 scoops of flour. with 3 scoops of flour, how many cookies can carey bake? solve using unit rates.

First find out how many cookies one scoop of flour can make 
If 2 scoops make 10
Then 1 scoop is --- 10/2
Which is 5
3 scoops of flour make 
5*3=15

Hey there 

Carey baked 10 cookies with 2 scoops of flour. With 2 scoops of flour she can bake 10 cookies. To solve the problem you have to find out how many she can bake with one scoop of flour. 

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Calculations 

To find how many she bakes with 1 scoop of flour you have to divide. 
10 ÷ 2 = 5 

1 scoop of flour = 5 cookies  

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Since one scoop is 5 cookies to get the answer of 3 scoops you have to multiply by 3. 

5 x 3 = 15 
3 scoops of flour = 15 cookies  

1 scoop = 5 cookies 
2 scoops = 10 cookies 
3 scoops = 15 cookies