This is a timed quiz. You will be given 60 seconds per question. Are you ready?
A toll is $2 for a car and the driver and 75 cent for each additional passenger. If the toll comes to $4.25, how many total people are in the car?
The toll of $4.25 includes $2 for the driver/car. So $2.25 ($4.25-$2) is left for the passengers. $2.25/0.75 = 3 passengers, so the total amount of people in the car is 1 driver and 3 passengers.
A stack of bricks is 3 1/2 feet high. If each brick is 1 3/4 inches high, how many bricks are in the stack?
3 1/2 feet x 12 in/ft= 42 inches. 42 inches/1.75 inches = 24 bricks
A scale on a map says that 1 inch represents 60 miles. If the distance between two points on the map is 2 1/2 inches, how many miles are between the two points?
2 1/2 x 60 = 150
A book regularly sells for $28. If the book is on sale for "20% off", how much is the sales price of the book?
20% of $28 = 28x0.2=$5.60. The sales price is then $28-$5.6 = $22.40
A plane left San Francisco at 6:15 pm PST and arrived in Philadelphia at 2:45 am EST. How long was the flight?
First, convert 6:15 PST to 9:15 EST. The flight then took from 9:15 pm EST to 2:45 am EST. That means that the flight took 5 1/2 hours
A product originally costs $125. If the product goes on sale for 20% off, and then goes on sale for an additional 30% off, what is the price of the product?
You need to apply the discounts successively not just add the discounts. So $125 x 80% = $100 (price after original 20% discount). $100 x 70% = $70 the price after the 2nd 30% discount.
If you pay $22.90 for a DVD that includes a 7% sales tax, what is the price of the DVD before the sales tax?
If y represents the price of the DVD before the tax. Then price with tax would be y + 0.07y = $22.90. Therefore 1.07y=22.90, or y= 22.90/1.07=$21.40. Be careful not to just take 7% of $22.90 and subtract. That is incorrect.
A car has a 15 gallon gas tank. If a car gets 32 miles per gallon and travels 384 miles, how much gas will be left in the tank?
The car will have used 12 gallons (384 miles/32 gallons). Therefore, there will be 3 gallons left in the tank (15 gallons - 3 gallons)
Carpet costs $3 per square yard. The room that will be carpeted is 12 feet x 18 feet. How much will the carpet cost?
12 feet x 18 feet is equivalent to 4 yards x 6 yards = 24 sq yards. 24 square yards x $3/sq yard = $72. Remember 3 feet = 1 yard, but 9 sq feet = 1 sq yard.
A man's hourly wage increased from $12.50 to $13.50. What percent raise did he get?
To find the percent of increase, subtract the second number from the original/first number (13.5-12.5=1.0) and divide that result by the original number (1/12.5=0.08=8%)
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