Two numbers are in the ratio 2:3. If 5 is added to each number, the ratio becomes 5:7. The numbers are a) 30 & 42 c) 20 & 30 b) 35 & 49 d) 20 & 42
Answers
Answered by
143
Answer:
Answer => (C)20&30
Step-by-step explanation:
Ok so Her it is,
Let the ratios be 2x and 3x respectively,
so,
so,
7(2x+5) = 5(3x+5)
14x + 35 = 15x + 25
14x - 15x = 25 - 35
-x = -10
x = 10
then thde numbers are 20 & 30 respectively..
Answered by
78
Answer is c) 20 and 30
2x +5/ 3x+5= 5/7
14x+35 = 15x +25
X = 10
2x = 2*10 = 20
3x = 3*10 = 30
2x +5/ 3x+5= 5/7
14x+35 = 15x +25
X = 10
2x = 2*10 = 20
3x = 3*10 = 30
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Thanks for appreciation..