Question

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

Answer 1

Answer:

give it as a brainlist answer

Step-by-step explanation:

2/5 another number=x

2/5/x÷70

2*14

28

Answer 2

let the no. be x

so,the no. is 2/5 times x

=2/5x

let the other no. be y

so ,2/5x +y =70

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

=>2x+5y=70/5

=>2x+5y=14

=>2x+5y-14=0

=2x+28y-14=0

=2x+(4y-7y)-14=0

=2x+4y-7y-14=0

=2(x+2y)-7(y+2)=0

y=2,therefore

x=2y

x=2*2

x=4

so, x=4 and y=2