Answer:
15
Step-by-step explanation:
It means you're putting money into your account
Say you have small lego bricks (lets say 2 inch in length) and large lego bricks (lets say 3 inches in length) so you want to find out how many little legos will it take to equal 4 large ones, because they are smaller you need more to create the same length as the larger one, hints multiplying.
easiest way i can think of to help you out :)
Do you mind typing the equation it looks incomplete.
