d. $0.53 because..
3/5.25 = 1/1.75
5/9.75 = 1.95
7/12.60 = 1.80
10/14.20 = 1.42
12/18.24 = 1.52
then do ;
most expensive deal - least expensive deal = how much he’ll save
1.95 - 1.42 = .53
Subtract 1/9 - 9 to isolate the x term on the left side
Where are the quadratic equations?
Answer:
0.67
Step-by-step explanation: From Delta math
You will save $15
x×0.15=5
x=33.33333
x×0.45=15