Question

tiffany and Adele sold cookies and brownies to raise money for their school. They sold a total of 25 sweets. If each cookie costs 1$ and the brownies cost a 1.50 each and they made a total of 32$, how many did each sell?

Answer 1

x is cookies were sold and y is brownies were sold
{x+1.5y=32
-
{x+y=25

0.5y=7
y=14
x=25-14=11
Tiffany and Adele sold 11 cookies and 14 brownies