Math, asked by msd7777777, 1 year ago

plzzz answer question 15

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msd7777777: plzzz answer pj

Answers

Answered by pjsingh
1
find the total work done in 90 days

suppose men=X
Day=90
total work =90×X
=90X
in second condition
10 days more=90+10
=100
15 less men =X-15
total work =100(X-15)
=100X -1500
compare both work
90X=100X-1500
X=150
So men originally 150
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