Question

Amy, Betty and Clara went shopping together. Amy spent 20% more than Betty. Betty spent 25% more than Clara. If Amy spent $58 more than Clara, how much did they spend altogether?
(Please Show Working Clearly and try not to use Algebra)

Answer 1

a = 1.2b
b = 1.25c
a = c+58

Time to stop avoiding algebra!

1.2(1.25c) = c+58
1.5c = c+58
0.5c = 58
c = 116

Clara spent 116
Amy spent 174
Betty spent 174/1.2 = 145

so, add them all up.