If it is 40% off, it is selling at 60% of it original price.
The sales price is $48
60% = 58
1% = 58 ÷ 60 = 0.93
100% = 0.93 x 100 = $93
The original price is $93
9(x + 3) + 15x
9x + 27 + 15x ...combine like terms
24x + 27 <==
The number could have been 8.699999999 so yeah there
Three that are equivalent are 12:9 8:6 28:21