Question

Mindy opens a bank account with $55 and start saving five dollars per week. Sean’s grandma gives him $100 for his birthday, but he spends $10 every week. After how many weeks would they have the same amount of money, how much will that be?

Answer 1

3 weeks, $45

Explanation:

So we can make an equation!

55+5x=100-10x

So solving for x,

X=3