Sarah needs to make a cake and some cookies, The cake requires 3/8 cup of sugar and the cookies require 3/5 cup of sugar. Sarah has 15/16 cups of sugar. Does she have enough sugar or how much more does she need?

A Has enough sugar

B needs 1/8 of a cup of sugar

C needs 3/80 cup of sugar

D needs 6/19 cup of sugar

Solution

Correct Answer: Option C

here, she needs= 15/16 - (3/8 + 3/5) = 15/16 - (15 + 24)/40 = 15/16 - 39/40 = (75 - 78)/80 = - 3/80 = 15/16 - (3/8 + 3/5)

= 15/16 - (15 + 24)/40

= 15/16 - 39/40

= (75 - 78)/80

= - 3/80

Solution

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