Question

After a winter storm, the depth of the snow on Cherry Street was 10 cm. But then, the snow started melting at a rate of 1/3 cm per hour. What was the depth of the snow on Cherry Street after 3 hours?

Answer 1

Answer:

The answer is 9cm

Step-by-step explanation:

For an hour the rate of melting is 1/3of a centimeter

For 3 hours the rate of melting is 3(1/3)cm=1cm

So,10cm-1cm=9cm

Answer 2

Given : the depth of the snow on Cherry Street was 10  cm  

the snow started melting at a rate of 1/3 cm  per hour.

To Find : What was the depth of the snow on Cherry Street after 3 hours

Solution:

depth of the snow on Cherry Street  = 10 cm

snow  melting  rate =  1/3 cm  per hour.

Snow melted in 3 hrs = 3 x (1/3)  = 1  cm

depth of the snow on Cherry Street after 3 hours = 10 - 1  =  9 cm

depth of the snow on Cherry Street after 3 hours = 9 cm

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