Answer:
200
Step-by-step explanation:
Substitute 15 for y




Answer:
1/2 ×4 ×3=6
base is 4
and 3 is height
the answer is 6 as you multiply 1/2 ×base ×height
Part A: W = 10x
Part B: S = 400 + 15y
Part C: 490 = 400 +15y
-400 -400
90 = 15y
6 = y, so he worked a total of 46 hours.
Answer:
10%
Step-by-step explanation: