Respuesta :
Subtract how much she has saved already from the total cost:
253.77 - 136.27 = 117.50
She needs $117.50 more.
Now divide that by the savings per week to find the number of weeks:
117.50 / 23.50 = 5 weeks.
Subtract how much she has saved already from the total cost:
253.77 - 136.27 = 117.50
She needs $117.50 more.
Now divide that by the savings per week to find the number of weeks:
117.50 / 23.50 = 5 weeks.