Simplify the expression: -8 + 15
Numbers And Operations
Question · Easy
Flip it: the negative swing
Short
Evaluate: (-6) × (-7)
Add the fractions: 3/4 + 1/6
Convert the fraction 3/5 into an equivalent decimal.
A shirt is priced at $25.00. The sales tax rate is 6%. What is the total cost of the shirt including sales tax?
Would you rather: marbles
Simplify: -12 - (-5)
What is a 15% tip on a $40.00 restaurant bill?
Evaluate: -48 ÷ 6
Express 0.35 as a fraction in simplest form.
A pair of shoes originally costs $60.00 and is on sale for 20% off. What is the sale price?
Simplify: -5.4 + 2.1
The temperature at midnight was 4°F. By 6:00 AM, the temperature had dropped to -9°F. What was the total change in temperature?
Question · Medium
Divide the rational numbers: (-2/3) ÷ (4/5)
Evaluate the expression: (-3)² - 4 × (-2)
A retail store purchases a video game wholesale for $30.00 and marks up the price by 40%. What is the retail selling price?
Calculate the simple interest earned on a $500.00 deposit at an annual interest rate of 4% over 3 years.
A winter coat originally priced at $80.00 is discounted by 25%. A sales tax of 6% is then applied to the discounted price. What is the final total cost?
Multiply: -3.5 × (-2.4)
The membership of an art club increased from 40 members to 50 members. What was the percent increase in membership?
A student estimated the length of a table to be 12 inches, but the actual length was 15 inches. What was the percent error of the estimate?
Simplify: (3/8 - 5/6) × (-12)
A bank account has a starting balance of -$45.25. The owner deposits $120.50 and then withdraws $35.00. What is the final account balance?
A wholesaler buys a smartphone for $150.00. The store marks up the price by 30%. Later, a coupon for 10% off the marked-up price is applied. What is the final price after the coupon?
Express 5/8 as a percentage.
A research submarine is at an elevation of -180 meters relative to sea level. It ascends 75 meters and then descends 45 meters. What is its new elevation?
A recipe requires 2 1/4 cups of flour for 1 batch of cookies. How many cups of flour are needed to make 3 1/2 batches?
A restaurant bill of $85.00 is split equally among 4 friends. Each friend adds a 15% tip to their individual share. How much does each friend pay in total?
Divide: -18.6 ÷ (-0.3)
A stock was worth $45.00 per share on Monday. The stock price changed by -8% on Tuesday, +5% on Wednesday, and -2% on Thursday. What was the stock price at the end of Thursday, rounded to the nearest cent?
Question · Hard
An investor deposits $1,200.00 into a savings account that earns 3.5% simple interest per year. What is the total account balance after 5 years?
Simplify: (-3.2 + 1.8) ÷ (-0.4) - 2.5 × (-3)
A store owner buys a bicycle for $80.00 and marks up the price by 50%. A customer uses a 20% discount coupon on the retail price, and a 7% sales tax is added to the discounted price. What is the final total paid by the customer?
Measurement A is recorded as 4.8 grams, while the true value is 5.0 grams. Measurement B is recorded as 9.3 grams, while the true value is 10.0 grams. What is the difference between the percent errors of Measurement B and Measurement A?
A hiker starts at an elevation of 250 feet below sea level (-250 ft). He climbs upward at a constant rate of 15 feet per minute for 40 minutes, then descends at a rate of 20 feet per minute for 15 minutes. What is his final elevation relative to sea level?
A tank contains 5 1/3 gallons of water. Water leaks out of the tank at a constant rate of 2/5 gallon per hour. How many hours will it take for the tank to lose 75% of its original water volume?
A car travels 180 miles on 6 gallons of gasoline. What is the unit rate in miles per gallon?
Algebraic Concepts
Solve for x: 2x + 5 = 17
If y is directly proportional to x, and y = 15 when x = 3, what is the constant of proportionality k in the equation y = kx?
Solve for x: x/4 - 3 = 5
Solve the inequality: 3x > 12
A bakery recipe uses 3 cups of flour for every 2 cups of sugar. How many cups of flour are needed if 6 cups of sugar are used?
Solve for x: 4(x - 2) = 20
A printer prints 45 pages in 3 minutes. At this constant rate, how many minutes will it take to print 225 pages?
Solve for x: -3x + 7 = -14
Solve for x: 2.5x - 4.2 = 8.3
Solve the inequality: -4x + 6 ≤ 22
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