Answer:

Step-by-step explanation:





Step-by-step explanation:
you should only make one equation:
75 + 45x = 30 + 55x
subtract the 30 frim both sides, then subtract 45x from both sides. you are left with:
45 = 10x
Divide by 10 and get:
4.5 = x
After 4.5 hours, the cost is equal for either worker.
Step-by-step explanation:
44 month old
12 months=1 year
44÷12=3 2/3
3 2/3 years
Answer:
$580
Step-by-step explanation:
Original price = $156.60 / 0.27
Original price = $580
<span> commutative property</span>