Question

when added to its half gives 72. Find the number.
5. A number added to its two-thirds is equal to 55. Find the number.
6. A number when multiplied by 4, exceeds itself by 45. Find the number.​

Answer 1

suppose the number is x

x+x/2=72

3x/2=72

x=72*2/3

x=48

the answer is48.