Answer:
$40.20
Step-by-step explanation:
$7.50 per hour. Tim worked for 2 hours so you would do 2 timez 7.5 which is $15, the total he earned from mowing.
$6.30 per hour. Tim worked for 4 hours so you would do 4 times 6.3 which is $25.2, the total he earned from washing windows.
To get the total of how much he earned all together you add 15 and 25.2 and you get $40.2.
Answer:
18 years
Step-by-step explanation:
let catrinas age be c
3(c/2)+3=12
3c/6=9
3c=54
c=18
Answer:

Step-by-step explanation:
Given

Required
Identify and correct error
The error is when the inner and outer terms are multiplied. i.e.
not 32x
not 15x
So, the expression is:

