Question

if 3 pounds of mac and cheese is $7.50 and it's $2.50 per pound, how much mac and cheese do we get for $1.00?

Answer 1

proportionality

3lbs 1lb (1*1.00)/2.5=0.4lbs

$7.5 $2.5 $1.00

with $1 we get 0.4lbs of macaroni and cheese