Create and Solve Equations

How old am I if 400 reduced by 2 times my age is 244?

• 48

• 78

• 68

• 58

A cell phone company charges a fixed texting rate of $25 per month, plus $0.05 for every text sent over the plan. If your text charges came to $30, how many texts did you send past your plan?

• 30 + 0.05x = 25

• 25x + 0.05 = 30

• 0.05x + 25 = 30

• 5x + 25 = 30

Lin is tracking the progress of her plant’s growth. Today it is 5 cm tall. If the plant grows 1.5 cm per day, after how many days will the plant be 20 cm tall?

• 5x + 1.5 = 20

• 5 + 1.5x = 20

• 20x + 1.5 = 5

• 20 + 1.5x = 5

Paul opens a savings account with $350. Every month he deposits $150 into the account from his paycheck. After how many months will he have $2450?

• 150x + 350 = 2450

• 350x + 150 = 2450

• 2450 + 150x = 350

• 2450x + 150 = 300

Pete’s Painting charges $25 per room to paint, plus an additional $0.50 per square foot that they paint. If they charged me $201 to paint my kitchen, how many square feet did they paint?

• 0.05x + 25 = 201

• 25x + 0.05 = 201

• 0.05x + 201 = 25

• 25x + 201 = 0.05

Deshawn’s Bikes rents bikes for $11 plus $5 an hour. If Maria paid $51, how many hours did she rent the bike for?

• 5x + 11 = 51

• 11x + 5 = 51

• 11x + 51 = 5

• 5x + 51 = 11

T-shirts cost $7 each plus a $25 fee for the machine rental. How many shirts can the softball team buy if they have $235 from their fundraiser?

• 33 shirts

• 9 shirts

• 30 shirts

• 15 shirts

A painter charges $12 per hour plus $50 for every job. If he made $194 on a job, how many hours did he work?

• 12 hours

• 10 hours

• 16 hours

• 5 hours

You bought a magazine for $5 and 20 erasers. If you spent a total of $11, how much did each eraser cost?

• $3.00

• $0.30

• $0.03

• $0.55

Amir wants to buy a video game that costs $70, but he only has $20. He can earn $10 for each car he washes. How many cars he must wash to have enough money to buy the game?

• 5 cars

• 7 cars

• 2 cars

• 4 cars