1. Colin buys gas for her car at $4 a gallon.
Write an equation using two variables to show the relationship between the number of gallons of gas, g, and the total amount of amount she spends, s.
(1 point)
2. A koala sleeps 18 hours a day. Write an equation using two variables to show the relationship between the number of days the koala sleeps, d, and the total amount of time the koala sleeps, t, in d days.
(1 point)
3. An African elephant can run 15 mph. Write an equation using two variables to show the relationship between the how many hours the elephant runs, r, and the distance the elephant ran, d. (1 point)
4. Colin sends 53 text messages a day. Write an equation using two variables to show the relationship between how many text messages he sends a day, d, and the total number of messages he sent, t. (1 point)
5. A pizza shop sells 32 pizzas an hour. Write an equation using two variables to show the relationship between the number of hours, h, and the total amount of pizzas sold, t. (1 point)
1. s = 4g
2. t = 18d
3. d = 15r
4. t = 53d
5. t = 32h