One-Step
x + 4 = 12
x = 8
3x + 6 = 12
x = 2
An airplane descends 1.5 miles to an elevation of 5.25 miles. Find the elevation of the plane before its descent.
6.75 miles
Olivia is saving $5.00 from her allowance each week to buy a new printer. She got $30.00 for mowing her grandfather’s lawn. How many weeks, W, will it take Olivia to save $100, enough to buy the printer?
14 weeks
x - 13 = -4
x = 9
-4x - 2 = 22
x = -6
A scuba diver is exploring at an elevation of -12.2 meters. As the diver rises to the surface, she plans to stop and rest briefly at a reef that has an elevation of -4.55 meters. Find the vertical distance that the diver will travel.
7.65 meters
A one-year membership to Snap Fitness costs you $500. There is a $50 fee when you join the gym, and the rest is paid monthly. Write and solve an equation to represent the cost you pay every month, C, for the yearlong membership.
$37.50
-2x = 36
x = -18
x/3 - 17 = -10
x = 21
After a power failure, the temperature in a freezer increased at an average rate of 2.5°F per hour. The total increase of 7.5°F. Write and solve an equation to find the number of hours until the power was restored.
3 hours
A fair for a taxicab is $5 per trip plus $0.25 per mile. The fair for a trip from the mall to the restaurant was $10.25. How many miles, M, was it from the mall to the restaurant?
21 miles
x/-3 = -5
x = 15
34 = 7 + 9x
x = 3
Amy has some money in her checking account. If she writes a check for $42.50, her checking account will be overdrawn by $23.75. Find how much money is in Amy’s checking account now.
$18.75
A group of 12 friends went to a rock concert in 2 cars. It cost $7.00 to park each car. After purchasing eleven tickets and parking both cars, the total bill came to $325.50. What was the price of one ticket, T? Round to the nearest hundredth.
$25.96
6 = 7 + x
x = -1
50 = 40 - 2x
x = -5
Tyler received a notice from his bank that the balance in his checking account was -$12, not $0 as he expected. He realized that he forgot to record the time when he used his debit card to buy bus tokens for $1.50 each. How many bus tokens did Tyler buy?
8 tokens
Amy has saved $450. She wants to buy a car for $5,000. How much will she need to pay each month to afford the $5,000 car in one year (12 months)? Round to the nearest hundredth.
$379.17