At the beginning of a snowstorm, Elizabeth had 8 inches of snow on her lawn. The snow then began to fall at a constant rate of 1 inch per hour. Assuming no snow was melting, how much snow would Elizabeth have on her lawn 4 hours after the snow began to fall? How much snow would Elizabeth have on her lawn after tt hours of snow falling?

Assuming no snow was melting, how much snow would Elizabeth have on her lawn 4 hours after the snow began to fall?

We know she started with 8 inches

We also know that every hour an inch of snow falls.

Time 1inch by 4 hours =4inches

Add them together

8inch+4inch=12inch