Question

Bella is baking chocolate chip cookies for an event. It takes of a cup of flour to bake 6 cookies. She uses cups of flour for every 50 chocolate chips used. There are a total of 150 chocolate chips for each tray of cookies.

If Bella is baking 2 trays of chocolate chip cookies, then how many cookies will she bake in total?

A.
90 cookies
B.
66 cookies
C.
40 cookies
D.
32 cookies













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Answer 1

66

Explanation:

i guessed a got correct

Answer 2

Option B. 66 cookies

Explanation:

The complete question is

Bella is baking chocolate chip cookies for an event. It takes 3/5 of a cup of flour to bake 6 cookies. She uses 1 1/10 cups of flour for every 50 chocolate chips used. There are a total of 150 chocolate chips for each tray of cookies. If Bella is baking 2 trays of chocolate chip cookies, then how many cookies will she bake in total?

step 1

we know that

There are a total of 150 chocolate chips for each tray of cookies

Find out the number of chocolate chips if Bella is baking 2 trays

so

using proportion

Let

x ----> the number of chocolate chips

`(150)/(1)=(x)/(2)\\\\x=150(2)\\\\x=300\ chocolate\ chips`

step 2

we know that

She uses 1 1/10 cups of flour for every 50 chocolate chips used.

Find out the number of cups of flour for 300 chocolate chips

so

using proportion

Let

x ----> the number of cups of flour

Convert mixed number to an improper fraction

`1(1)/(10)\ cups=(1*10+1)/(10)=(11)/(10)\ cups`

`(((11)/(10)))/(50)=(x)/(300)\\\\x=(66)/(10)\ cups`

Simplify

`(66)/(10)\ cups=(33)/(5)\ cups`

step 3

we know that

It takes 3/5 of a cup of flour to bake 6 cookies

Find out the number of cookies she bake for 33/5 cups of flour

so

using proportion

Let

x -----> the number of cookies

`(6)/((3/5))=(x)/((33/5))\\\\x=6(33)/3\\\\x=66\ cookies`