Answer: A- she can not mow 1 and 1/4 in an hour.
Explanation:
set up a ratio
(1/2 acre is 25 minutes, x acre in 60 minutes)
cross multiply to solve
.5(60)=25x
30=25x
1.2=x- she can mow 1.2 acres in 60 minutes, 1.2=
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