suppose you have d dollars. after you pay your sister the $5 dollars you owe her, you have $18 left. how much money did you have?

$23

Step-by-step explanation:

Step 1: form an equation

d = 18 + 5

Step 2: solve

d = 23

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.