Question

If gas costs $2.14 per gallon, and it takes 21 seconds to pump one gallon of gas, how long will it take to pump $28.36 worth of gas (in seconds)

Answer 1

$28.36 ÷ $2.14/gallon

= about 13.25 gallons

13.25 gallons × 21 seconds/gallon

= about 278.3 seconds