Answer:
The charge for shovelling snow for 6 hour is 72 hours
Explanation:
Given as :
The charge for shovelling snow for 2
hours is $30
Let The charge for shovelling snow for 6 hours = $ x
Now, Applying unitary method
∵ The charge for shovelling snow for 2
hours = $30
or, The charge for shovelling snow for
hour = $30
So, The charge for shovelling snow for 1 hour =
hour
∴ The charge for shovelling snow for 6 hour =
× 6 hours
I.e The charge for shovelling snow for 6 hour =
hours
= 72 hours
Hence The charge for shovelling snow for 6 hour is 72 hours Answer