Question

if someone earns $12 an hour and gets offered a raise of 5% per hour, after the raise how much will he make an hour

Answer 1

$12 for an hour + 5% offered per hour
.
for 5% offered per hour,
= 0.05 x $12
= $0.6

so, raise for an hour,
= $12 + $0.6
= $12.6

Answer 2

They will make $12.60 an hour after raise