19. Malik is 10 years less than half his mother's age. If Malik is 12 yrs. old, how old is his mother?

If he is 12 his mom would be 22.

Step-by-step explanation:

12+10=22

       </3 PureBeauty

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

answer is 12345678900987654321234567890987654321

step-by-step explanation: