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.

Respuesta :

Caitlin paid for 11 swimming lessons, because $402-$15(11 *SL).
*SL=Swimming Lessons
237+15x=402
-237        -237
0               165
x= 15÷165
x=11
237+15(11)=402
237+165=402