Question

Gas costs $1.64 a gallon. Elaine spent $23.78 at the gas station.How many gallons of gas did she but?

Answer 1

$1.64 per gallon
she paid $23.78
23.78÷1.64
She paid for 14.5 gallons

To check:
1.64 * 14.5 
23.78

Hope this helps