The answer is the last option: The associative property of multiplication
Answer:
t=10
Step-by-step explanation:
3t + 15 = 45
3t = 30
t = 10
Answer:
60 hours
Step-by-step explanation:
300 + 5x = 10x
subtract 5x from both sides to cancel 5x on the left
300 = 5x
divide both by 5
60 = x