Answer:
15
Step-by-step explanation:
3*5*1=15
The answer to the first part is 172 plants per row with a remainder of 3 plants
The answer to the second part is, Martin knows that 7 goes into 700 100 times, 7 goes into 490 70 times, and 7 goes into 17 twice with a remainder of 3. He then adds 100 70 and 2 together to get 172 with a remainder of 3.
Answer:
simplified to 
Step-by-step explanation:

It took her 1 hour to get to the appointment; at 80mph that means the appointment was 80 miles away.
Answer:
he got 3456 crayons.
Step-by-step explanation: