21)If 15 workers can build a wall in 48 hrs ,how many workers will be required to do the same work in 30 hrs?
is it direct proportion or inverse propotion
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21)If 15 workers can build a wall in 48 hrs ,how many workers will be required to do the same work in 30 hrs?
is it direct proportion or inverse propotion
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Answer:
10 Workers
Step-by-step explanation:
Answer:
Step-by-step explanation:
time men
48 h 15
30 h _
men for 30 hours = 48/30 * 15can
cancelling 30 and 15 by 5 = 6and 3 cancelling by 3 = 3 and 0
men for 30 hours = 48 /2
= 24