Question

Please answer question 31 and question 8 in the above photo. Please

Answer 1

Son age is x

Man age is 4x

After 5 years

4x +.5 = 3(x+4)

4x+5 = 3x + 12

4x - 3x = 12-5

x = 7

Therefore man age is 28

Son age is 7

Answer 2

Answer:

Step-by-step explanation:

Let reenas age be x and her sisters y.

X=y+6

After 10 years reenas age x+10 & her sisters will be y+10.

According to given condition

Sum=50

X+10+y+10=50

Put x=y+6 from equation 1

Y+6+10+y+10=50

2y=24

Y=12

X=y+6=18.