She earned 11.5 per hour! And we know this because 247.25 divided by 21.5 = $11.5 per hour ( hope this helps:)
I think he is not correct because there is negative number so it can't be greater than one
X+x+1+x+2=51
3x+3=51
Use inverse operations to solve
subtract 3 from both sides
3x=48
Divide by 3 on both sides
x=16
16, 17, 18
Least to Greatest Order -
7/12, 7/10, 7/9, 7/8
(Least) (Greatest)
.68
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