Four boys and ten girls can cut a field first in 5 hours. If the
MATHEMATICS
JAMB 2020
Four boys and ten girls can cut a field first in 5 hours. If the boys work at 5/4 the rate at which the girls work, how many boys will be needed to cut the field in 3 hours?
- A. 180
- B. 60
- C. 25
- D. 20
Correct Answer: D. 20
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