MATH SOLVE

9 months ago

Q:
# zachary purchased a computer for 1800 on a payment plan. three months after he purchased the computer, his balance was 1350. five months after he purchased the computer, his balance was 1050. what is an equation that models the balance b after m months

Accepted Solution

A:

If we notice, the decrease in payment after 3 and 5 months, it is a multiple of 150.So, the equation that models balance b after m months is:b = 1800 - 150mHere, - 150 is the slope and it indicates the amount being decreased every month.