Question

in a cookie jar a quarter of the cookies are chocolate chip and 1/3 of the rest are peanut butter what fraction of all the cookies is peanut butter

Answer 1

Fraction of all the cookies is peanut butter = ¼

Step-by-step explanation

In the cookie jar, a quarter of the cookies are chocolate chip.

The rest will be (1 - ¼) = (3/4)

Then, ⅓ of the rest (remember that the rest is 3/4) is peanut butter.

We are then asked to find the fraction of all the cookies is peanut butter.

Fraction of all the cookies is peanut butter = ⅓ of (The rest)

The rest = (3/4)

Fraction of all the cookies is peanut butter = ⅓ of (The rest)

Fraction of all the cookies is peanut butter = ⅓ × (3/4) = ¼

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