if a certain number is increased by 5,one-half of the result is three -fifths of the excess of 61 over the number. find the number
Answers
Answered by
4
Step-by-step explanation:
let's the numer =x
x+5=3x/5+61
x+5=3x+305/5
5x+25=3x+305
5x-3x =305-25=280
2x=280
x=280/2=140
ans=140
Answered by
13
the number = 391/11
Step-by-step explanation:
Let say number = N
a certain number is increased by 5
= N + 5
,one-half of the result
= (N + 5)/2
Three -fifths of the excess of 61 over the number.
= (3/5)(61 - N)
Equating both
(N + 5)/2 = (3/5)(61 - N)
multiplying by 10 both sides
=> 5(N + 5) = 6(61 - N)
=> 5N + 25 = 366 - 6N
=> 11N = 391
=> N = 391/11
Learn more:
A number increased by 25% and then decreased by 20% find the ...
https://brainly.in/question/13215448
A number when increased by 18% gives 236. Find the number ...
https://brainly.in/question/12880057
Similar questions