10. Jack earned $112 in 8 hours.
How much did he earn per hour?

Jack earned $14 per hour.

Step-by-step explanation:

$112 in 8 hours

So 8x = 112

To find x, 1 hour, we divide 112 by 8

8x = 112

x = 112/8

x = 14

-Chetan K

jack will earn 14$ per month

Step-by-step explanation:

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it

$15 each

step-by-step explanation:

$45/3 children= $15 each