A water park has 108 visitors waiting for a ride. The visitors are divided equally into 9 groups. In each group, 3 visitors decide not to ride.

The letter r represents the number of visitors remaining in each group.

r =

A butterfly garden has 5 sections with 12 butterflies in each section. Half of the butterflies fly away.

Which equation can be used to find b, the number of butterflies remaining in the garden?

Olivia collects 72 seashells during a beach trip. Her sister collects 48 seashells. They combine their collections and arrange the seashells equally in 6 display trays.

Which equation can be used to find s, the number of seashells in each tray?

Sofia has 120 candies. She buys another 48 candies and divides all the candies equally among 8 party bags.

Which equation can be used to find c, the number of candies in each party bag?

A science museum displayed 356 fossils in one gallery. Another gallery displayed 189 more fossils than the first gallery.

Which equation can be used to find f, the number of fossils in the second gallery?

A delivery company has 8 trucks. Each truck can carry 125 packages. On Monday, 3 trucks leave the warehouse completely full. Workers then load another 85 packages onto one of the remaining trucks.

Which equation can be used to find p, the total number of packages loaded onto the trucks?

A sports club buys 7 bags of tennis balls. Each bag contains 12 balls. The coach divides all the balls equally among 6 practice courts.

The letter t represents the number of tennis balls placed on each court.

t =

A farm had 1,500 pounds of animal feed in storage. A new delivery added 400 pounds. During the week, the animals consumed 700 pounds of feed.

How many pounds of animal feed remained in storage?

pounds

An aquarium has 144 tropical fish divided equally among 8 tanks. The aquarium adds 6 more fish to one of the tanks.

Which equation can be used to find f, the number of fish in that tank after the new fish are added?

A warehouse has 12 shelves with 45 boxes on each shelf. Workers move 6 complete shelves of boxes to another building.

Which equation can be used to find b, the number of boxes remaining in the warehouse?

Volunteers planted 145 tomato plants, 218 pepper plants, and 176 strawberry plants in a community garden.

Which equation can be used to find p, the total number of plants the volunteers planted?

A family buys 4 aquarium tickets for a total of $96. Each ticket includes a $6 fee for a dolphin show.

The letter t represents the price of one aquarium ticket without the dolphin show fee.

t =

A factory produces 8 batches of ceramic mugs. Each batch contains 125 mugs. During a quality check, 35 mugs are found to be damaged and removed.

Which equation can be used to find m, the number of mugs that pass the quality check?

A craft shop has 144 beads. The owner uses 24 beads to decorate a picture frame. She divides the remaining beads equally among 6 jewelry kits.

The letter b represents the number of beads in each kit.

b =

A train travels 65 miles each hour for 4 hours. It then travels another 85 miles before reaching its destination.

The letter d represents the total distance traveled in miles.

Find d.

d =

At a swimming competition, 128 swimmers entered the freestyle race, 96 entered the backstroke race, and 74 entered the butterfly race. Each swimmer entered only one race.

Which equation can be used to find s, the total number of swimmers in the competition?

A photography club had $950 to spend on equipment. It bought a camera for $425 and spent some more money on lighting equipment. The club had $175 remaining.

How much money did the club spend on lighting equipment?

$