Answer: 10 yards
Step-by-step explanation:
Covert 30 feet into yards to find how many yards he should buy.
Solve by cross product
3x = 30
x = 10
The answer is down below following the order 6~9
6. A
7. C
8.C
9. D
Answer: 3 hours and 25 minutes
Step-by-step explanation: