Caitlin had $402 in her bank account. She withdrew $15 each week to pay for a swimming lesson. She now has $237.

a. Write an equation that can be used to find the number of swimming lessons that she paid for.
b. How many swimming lessons did she pay for?
c. At the time she had $237, the cost of a lesson rose to $19. How many lessons can she pay for with her remaining $237?

Question

Caitlin had $402 in her bank account. She withdrew $15 each week to pay for a swimming lesson. She now has $237.

a.    Write an equation that can be used to find the number of swimming lessons that she paid for.    
b.    How many swimming lessons did she pay for?    
c.    At the time she had $237, the cost of a lesson rose to $19. How many lessons can she pay for with her remaining $237?

anonymous · Answer

so part a would be 402-15x=237, where x is the number of weeks she payed for a swimming lesson