Sheela thinks of a number and subtracts 5/2 from it. she multiplies the result by 8. the result now obtained is 3 times the same number she thought of. what is the number?
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Answered by
4
let the number= x
x-5 /2= 2x-5/2
and 2x-5/2*8= 8x-20
and accirding to question
8x-20=3x
so... -20=3x-8x
-20=-5x
20=5x
x=4
x-5 /2= 2x-5/2
and 2x-5/2*8= 8x-20
and accirding to question
8x-20=3x
so... -20=3x-8x
-20=-5x
20=5x
x=4
Answered by
2
5x=20
X=4
..........
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