The ratio of two numbers is 5 : 7. If 40 is added to each of the numbers, the ratio
of their sums becomes 25:31. Find the numbers.
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Answer:
let the no.s br 5x and 7x respectively
ATQ
5x+40÷7x+40=25÷31
31×5x+40 = 7x+40 × 25
65x+1240 = 175x +800
65x - 175x = 800- 1240
-110x= -440
110x = 440
x= 440 ÷ 110
x= 4
if x= 4 then first no. = 5×4 = 20
= 7 ×4 =28
Step-by-step explanation:
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