Q) Simplify (Step by Step, Do all pls) :
1) What is to be added to 74.5 to get 91?
2) What is to be subtracted from 7.3 to get 0.862?
3) By how much should 23.754 be increased to get 50?
4) By how much should 84.5 be decreased to get 27.84?
Answers
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Answer:
Q1=74.5+x=91
:x=91-74.5
x=16.5
Verification
74.5+16.5=91
Q2: 7.3-x=0.862
: -x=0.862-7.3
-x= -6.438
cancelling the minus sign on both sides
x=6.438
verification
7.3-6.438=0.862
Q3:x+23.754=50
x=50-23.754
x=26.246
verification
23.754+26.246=50
Q4:84.5-x=27.84
84.5-27.84=x
56.66=x
verification
56.66+27.84=84.5
HOPE IT HELPS
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