Answer:
Step-by-step explanation:
Let x represent the number of hours that Justin works in a week.
Let y represent the total amount that Justin would receive for working for x hours.
Justin earns $8 an hour for the first 40 hours he works and $12 for each additional hour. This means that the total amount that he earns in a week would be
y = 8×40 + 12(x - 40)
y = 320 + 12(x - 40)
If he earns 48 hours in a week, the total amount that he earned would be
320 + 12(48 - 40) = $416
Answer:
180m-40
Step-by-step explanation:
60m-15(4-8m)+20
= 60m-60+120m+20
= 180m-40
A triangle equals 180 degrees, so we already have the other which total to 152. So we just have to 180‐152, and the answer is 28.
9514 1404 393
Answer:
(b) 38.5
Step-by-step explanation:
The polygon is a trapezoid with bases 4 and 7 and height 7. Its area is given by the formula ...
A = (1/2)(b1 +b2)h
A = (1/2)(4 +7)(7) = 77/2
A = 38.5 . . . . square units