The amount of water an electric washing machine uses to wash laundry varies directly with the number of loads of laundry. The washing machine uses 72 gallons for 6 loads of laundry. How many gallons of water will the washing machine use to wash 11 loads of laundry?

The number of necklaces Sarah can make varies directly with the amount of time she spends making the necklaces. She can make 3 necklaces in 1/2 an hour. How many necklaces can she make in 3 1/2 hours?

The amount of questions completed on the homework varies directly with the amount of time spent working. Billy can complete 15 questions in 6 minutes. How many questions could he complete in 2 minutes?

The number of songs that Alison can listen to varies directly with the amount of time she spends listening. She can listen to 8 songs in 28 minutes. How many songs could she listen to in 15.75 minutes?

The amount of cookies that Emily can make varies directly with the amount of dough she makes. She can make 4 dozen cookies for every 3 pounds of dough she makes. How many dozen cookies could she make if she had 19.5 pounds of dough?

The amount of popcorn made at the movie theater varies directly with the amount of customers at the theater. For every 10 customers they need 3/4 a cup of popcorn seeds. If there were 105 people at the theater that day, how many cups of popcorn will they need?

The value of y varies directly with x. When y = 55, x = 8. What is the value of y when x is 20?