52. If
2/7of a number increased by 25 gives 45, find the number.
(1) 81
(2) 63
(3) 72
Answers
Answered by
1
Answer:
The number is 70
Step-by-step explanation:
Let the number be X
2/7 of number means 2X/7
Given that,
2X/7+25=45
[2X+25 x 7]/7 = 45
2X+175=45 x 7
2X+175=315
2X=315-175
2X=140
X=70
The number is 70
Answered by
1
Answer:
let the no be x
25 + 2/7x = 45
2/7x = 45-25
2/7x = 20
x = 20 ×7 /2
x = 70
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