Answer:
amount he earns in a month = $1680
amount he earns in 12 months = $20160
Step-by-step explanation:
Henry works 140 hours each month and he earns $12 per hour. The amount Henry earns each month can be solved below
He earns $12 per hour and he works 140 hours each month.
1 hour → $12
140 hours → ?
cross multiply
amount he earns in a month = 140 × 12
amount he earns in a month = $1680
Amount he earns in 12 months
amount he earns in 12 months = 1680 × 12
amount he earns in 12 months = $20160