Will had some cranberry puffs and chocolate chip puffs. He gave away 92 puffs to his cousin. 25% of them were cranberry puffs and the rest were chocolate chip puffs.

1. How many chocolate chip puffs did he give his cousin?
2. Will gave some cranberry puffs to his sister. ⁴₇ of all the puffs he gave away to his cousin and his sister were cranberry puffs. How many cranberry puffs did he give his sister?

(a)
Percentage of chocolate chip puffs
= 100% - 25%
= 75%

Number of chocolate chip puffs that Will gave to his cousin
= 75% x 92
= ⁷⁵₁₀₀ x 92
= 69 

(b)
Fraction of all the puffs he gave away to his cousin and his sister that were chocolate chip puffs
= 1 - ⁴₇
= ³₇

3 u = 69

1 u = 69 ÷ 3 = 23

Number of cranberry puffs that Will gave to his cousin and his sister
= 4 u
= 4 x 23
= 92

Number of cranberry puffs that Will gave to his cousin
= 92 - 69
= 23

Number of cranberry puffs that Will gave to his sister
= 92 - 23
= 69

Answer(s): (a) 69; (b) 69