Inverse Proportion
1. If 8 soldiers can build a bridge in 5 hour, how many soldiers are needed to build the same bridge in 4 hours?
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Inverse Proportion
1. If 8 soldiers can build a bridge in 5 hour, how many soldiers are needed to build the same bridge in 4 hours?
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10
Step-by-step explanation:
8:x
5:4
since it is inversely proportional,
8:x :: 4:5
x = 5×8/4
x = 40/4
x = 10