Question

A local school is having a big sale. The students sell peanut butter cookies for two dollars and chocolate chip cookies for $1.50. Altogether they sold 231 cookies for $403.50. using any method, calculate how many of each cookie (peanut butter and chocolate chip) were sold.

Answer 1

117 chocolate chip and 114 peanut butter

Explanation:

system of equations

2p+1.5c = 403.50

p+c = 231

2p+1.5c=403.50

2p+2c=462

-0.5c=-58.5

c=117

p = 231-117 = 114

117 chocolate chip and 114 peanut butter