Erin wants to ride the Ferris wheel, the roller coaster, and the log ride. The Ferris wheel costs 6 tickets, the roller coaster costs 3 tickets and the log ride costs 7 tickets. Erin has 8 tickets. How many more tickets should Erin buy?

Tristan wants to ride the Ferris wheel, the roller coaster, and the log ride. The Ferris wheel costs 4 tickets, the roller coaster costs 6 tickets and the log ride costs 6 tickets. Tristan has 7 tickets. How many more tickets should Tristan buy?

Tammy wants to ride the bumper cars 5 times and the Ferris wheel 4 times. It costs 4 tickets to ride the bumper cars and 3 tickets to ride the Ferris wheel. How many tickets does Tammy need?

Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.Isaac loves riding Ferris wheels and roller coasters. While visiting the Washington County Fair, he first went on the Ferris wheel 1 time and the roller coaster 2 times, using a total of 15 tickets. Then, after taking a break and having a snack, Isaac went on the Ferris wheel 3 times and the roller coaster 3 times, using a total of 27 tickets. How many tickets does it take to ride each attraction?It takes tickets to ride the Ferris wheel, and tickets to ride the roller coaster.

Rebecca bought 6 cartons of ice cream and 4 cartons of yoghurt. Each carton of ice cream cost $7 and each carton of yoghurt cost $1. How much more did Rebecca spend on ice cream than on yoghurt?

Mrs. Molina bought ice cream treats for 18 children. Each child picked either a sundae or a milkshake. The sundaes cost $1 each and the milkshakes cost $4 each. If Mrs. Molina spent a total of $57, how many of each type of treat did she buy?