Answer:
To calculate his earnings, we can simply multiply the Hourly wage by number of hours he worked.
a) 2 hours of work
For 2 hours of work : Hourly wage × number of hours he worked
$12.70 × 2
$25.40
b) 8 hours of work
for 8 hours of work : Hourly wage × number of hours he worked
$12.70 × 8
$101.60
c) 10 hours of work
for 10 hours of work : Hourly wage × number of hours he worked
$12.70 × 10
$127.00
d) 38 hours of work
for 38 hours of work : Hourly wage × number of hours he worked
$12.70 × 38
$483.40