Printer $309 Computer $927
p+3p=1,236
4p=1,236
p=309
309x3=927
309+927=1,236
Answer:
m=17
Step-by-step explanation:
$15 minus $0.14(# minutes) = $12.62
15 - .14m = 12.62
.14m = 15 - 12.62
.14m = 2.38
m = 2.38/.14
m = 17 minutes
-2.45 will be the write answer
We set up an equation: 160/?= 20/100
Cross multiply: 20*?= 160*100
⇒ ?= 160*100/20= 800
160 is 20% of 800~