Question

Kevin's savings account balance changed from $1140 in January to $1450 in April. Find the average rate of change per month. Round your answer to the nearest dollar

Answer 1

What's the change in dollars?

Answer 2

please explain

Answer 3

ie change in account balance

Answer 4

you go from 1140 dollars to 1450 dollars

so you added/subtracted how many dollars

Answer 5

310

Answer 6

so you added 310 dollars

Answer 7

therefore, we know that the rate of change will be positive

Answer 8

ok

Answer 9

january is the first month

april is the 4th month

so this change in balance occurred over 4-1 = 3 months

Answer 10

so your rate of change is

(change in balance)/(change in months) = 310/3 = ???

Answer 11

okay thx i get it love

Answer 12

yw