15
Step-by-step explanation:
Answer:
Step-by-step explanation:
3x - 3y = 3(x-y)
Answer:
1 hour= 45 miles
1/2 hour=22.5 miles
3 hours= 135
Step-by-step explanation:
just work out one hour by halving 90 miles which is 45. Then work out the rest by halving again and multiplying by 3.
Answer:
It would be 5
Step-by-step explanation: