Answer:
3(t-y)
Step-by-step explanation:
difference means subtractions
3*(t-y)
Answer:
6 pounds
Step-by-step explanation:
if you lose 6 pounds and gain 6 pounds that make it a net change of 0 pounds
You take the amount paid and divide it by the amount of cheese. So 10.50 divided by 2.5 equals 4.2 and 12.60 divided by 3 equals 4.2 meaning that one pound of cheese costs $4.20
