Question

A number is 2/5 times another number. if their sum is 70, find the numbers.​

Answer 1

Answer:

2x/5 =(2×50)/5=20

Step-by-step explanation:

Let one of the number is = x

Then the other number is = 2x/5

Given, x + 2x/5 =70

=> (5x+ 2x)/5 = 70

=>5x + 2x = 5×70

=> 7x =350

=>x =350/7

=>x =50

Therefore the number is =2x/5 =(2×50)/5=20

Answer 2

Step-by-step explanation:

let the two numbers be a and b.

a=2b/5

5a=2b

a+b=70

a+(5a/2)=70

7a=140

a=20

20+b=70

b=50.

Therefore, the numbers are 20&50

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