Answer
$\$6.625$
$11.6$ times
Work Step by Step
We determine the difference and the ratio between labor costs per hour:
Difference: $\$7.25 − \$0.625 = \$6.625$ more per hour in the U.S.
Ratio (times larger): $\$7.25 \div \$0.625 \approx 11.6$ times larger.