Question

Michael started a savings account with $300. After 4 weeks, he had $350 dollars, and after 9 weeks, he had $400. What is the rate of

change of money in his savings account per week?
Person to answer get prize
Pls help

Answer 1

$12.5

Explanation:

all you do is divide the 4 weeks to the $50 he earns and get $12.5 every week.