Answer:
After 3 hours, the depth of snow on Cherry street will be 9 cm
Explanation:
1. First let us list or the parameters given
Original depth = 10 cm
melting rate = 1/3 cm per hour, which means after every 1 hour, a depth of 1/3 cm melts.
2. Next, let us find the depth that has melted after 3 hours:
1 hour = 1/3 cm
∴ 3 hours = 1/3 × 3 = 1 cm.
So, after 3 hours at a melting rate of 1/3 cm, a total depth of 1 cm had melted
3. To find the depth of snow on the road after 3 hours, we will subtract the amount melted after 3 hours from the original depth of snow on the road:
Original depth - depth melted after 3 hours = 10 - 1 = 9 cm.
Therefore after 3 hours the depth of snow left on the road is 9 cm.