Answer:
Choice 3
Step-by-step explanation:
The reading rate of Sam is 0.75 pages/minute.
i.e 30 pages/40 minutes
The reading rate of Bill is 0.5 pages/minute
The reading rate of Francine is 0.72 pages/minute
The reading rate of Leroy is 0.75 pages/minute which is the same as Sam's.
2(x-5)=20
Divide both sides by 2 (division of property equality)
x - 5 = 10
Add 5 to both sides (addition of property equality)
x = 15
Answer
x = 15 is the solution
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