Answer:
$180.
Step-by-step explanation:
Given: Pay for 7.5 hours is $45.
To find: Pay for working 30 hours.
Solution: It is given that pay for 7.5 hours is $45. In order to find the pay for hours we first need to find the pay for 1 hour, then we are able to find the pay for 30 hours as well.
Now, pay for 7.5 hours
pay for 1 hour
So, for 1 hour the pay is $6.
Now, to find the pay for 30 hours, we need to multiply the pay per hour by 30.
Therefore, pay for 30 hours
Hence, pay for working 30 hours is $180.