Answer:
She would gain 1.5 inches after 3 hours. She would then have 12.5 inches on her lawn.
Answer:
snow after 3 hours=12.5
snow after 1 hour=11.5
Step-by-step explanation:
1.take 0.5 and multiply it by 3 then take that and add it by 11 and that's how you get the sum for 3 hours.
2.take 0.5 and add it by 11 and that's how you get the sum for 1 hour.