yes3561
contestada

1). The $70 selling price of a bicycle is the cost increased by 4 times the cost. Find the cost?
2). Three pounds less than twice mikes weight is 215 pounds. What is his weight?
3). If mr Washingtons saving were increased by 5 times his savings. He would then save $36,000. How much has he saved ?


PLEASE SHOW YOUR WORK !!!!

Respuesta :

70 = x + 4x
70 = 5x
70/5 = x
14 = x <== the cost
=================
2m - 3 = 215
2m = 215 + 3
2m = 218
m = 218/2
m = 109 <== Mike's weight
==================
x + 5x = 36,000
6x = 36,000
x = 36,000/6
x = 6000 <== what he saved