Leo is three times older than mark. If the sum of their age is 32, how old is Leo

Leo is 24 years old,

Step-by-step explanation:

Let 'x' denotes the age of Mark.

Given ,  Leo is three times older than Mark.

i.e. Expression for Leo's age =

Since , sum of their age is 32, then

Now , divide both sides by 4 to get the value of x.

Thus , Age of Mark =  8 years

Age of Leo = 3 (8) = 24 years

Therefore , Leo is 24 years old.

m∠a is 90°

m∠b is 40°