Anumber is 2/5 times another number. if their sum is 70, find their numbers

Answer is 68

Step-by-step explanation:

let the no. be x

2/5 of x + x = 70

2/5x+x=70   LCM = 5

5x + 2/5(whole upon)= 70

5x+ 2 = 70 * 5/5 (whole upon)

5x=68

do i do it on a graph?

step-by-step explanation:

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.