A number is 2/5 times another number.If their Sum is 70.Find the number
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Answered by
1
Answer:
let the other number be x
so first number is 2/5x
according to equation
x+ 2/5× =70
7x/5 = 70
x = 50
therefore number = 50
Answered by
0
Let,
First number, A be x
Second number, B be 2/5x
Therefore,
A + B = 70
=> x + 2/5x = 30
=> 5/5x + 2/5x = 30
=> 7/5x = 30
=> x = 30 × 5/7
=> x = 90/7
.°. x = 90/7
.°. A = 90/7
and, B = 2/5 × 90/7 = 36/7
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