Writing Inequalities & Equations

.25x+5?20

Julie only had $20 to spend at the carnival. She bought a hamburger for $5 and will spend the rest of the money on game tickets which cost $.25 each. How many tickets can she buy?

.25x+5>20

Karl wants to save more than $20 to buy a video game. He already has $5 and is getting paid $.25 per newspaper he delivers. How many papers must he deliver?

20?.25x+5

Jenny needs at least $20 to buy a pair of shoes. She earned $5 babysitting and baked cookies that she will sell for $.25 each. How many cookies does she need to sell?

35+5x>100

Jerry wants to collect more than 100 books to donate to the school library. He already has 35 and will collect 5 books per week. How many weeks will he need to collect books?

35+5x?100

Tom has $100 to spend at the store. He wants a video game that costs $35 and packs of cards that cost $5 each. How many packs of cards can he buy?

100?5+35x

Mark wants to save at least $100 to go on a trip with his friends. He already has saved $5 and will mow 35 lawns to earn the rest. How much does he need to charge per lawn to earn the money?

30x+200?400

The maximum weight on a cargo boat is 400 tons. 1 large container weighs 200 tons. Each small container weighs 30 tons. How many small containers can be carried on the boat?

200+30x?400

Sally wants a minimum of 400 points in her math class. She currently has 200 points and has 30 more assignments to complete. How many points must she earn, on average, for her assignments?

200x+30?400

Carl needs to earn at least $400. He has $30 in the bank and has 200 baseball cards to sell. How much should he charge for each card?

100<30+15x

Carrie needs to bake more than 100 cookies. She already has 30 cookies done and can bake 15 cookies on each tray. How many more trays does she need to bake?

30x+15?100

Steven wants at least $100 to spend at Disneyland. He has $15 saved and is walking 30 dogs to earn the rest. How much must he charge per dog to have enough money?

15+30x=100

Mrs. Barling spent $100 on school supplies. She spent $15 on pencils and bought 30 notebooks. How much did each notebook cost?