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?
1. If 8 soldiers can build a bridge in 5 hour, how many soldiers are needed to build the same bridge in 4 hours?
Add an Answer
More Questions From This User See All
Answers & Comments
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