Determine whether the pair of ratios are equivalent ratios.
3/7 and 9/14
No
100
State whether the percent of change is a percent of increase or a percent of decrease.
Original: 50
Final: 49
Percent of Decrease
100
Explain how to find the total price of an item if given the original price and the percentage of tax.
Change the percent into a decimal and multiply by the original price. Then add that amount to the original price.
100
What is a literal equation?
An equation with more than one variable.
200
15 - x = -20
x = 35
200
Determine whether the pair of ratios are equivalent ratios.\
2.8/4.4 and 1.4/2.1
No
200
State whether the percent of change is a percent of increase or a percent of decrease.
Original: -21
Final: -16
Percent of Increase
200
Explain how to find the final price of an item if given the original price and the percent of a discount.
Change the percentage into a decimal then multiply by the original price. Subtract that amount from the original price.
200
Solve 3x + y = 5, for y.
y = -3x +5
300
-7x = -84
x=12
300
Solve the proportion.
n/9 = 6/27
n = 2
300
What is the formula to find percent of change?
change/original = percent/100
300
Find the total price of the item.
Dress: $22.50
Sales tax: 7.5%
$24.19
300
Solve 5a + c = -8a, for a.
a = -c/13
400
Solve -2x + 3 = x + 6
x = -1
400
Solve the proportion.
7/(x+9) = 21/36
x = 3
400
State whether the percent of change is a percent of increase or a percent of decrease. Then find the percent of change. Round to the nearest percent.
Original: 33
Final: 45
Percent of increase; 36%
400
A skateboard costs $99.99. If you have a coupon for 20% off, how much will you save? Round to the nearest dollar.
$20
400
Solve u = vw + z, for v.
v = (u-z)/w
500
Solve 3n + 8 = 5(n+1) - n
n = 3
500
On a map of Florida, the distance between Jacksonville and Tallahassee is 7.5 centimeters. If 2 centimeters = 40 miles, what is the distance between the two cities?
150 miles
500
The original price of a video game was $54.90. The video game went on sale for $35.50. What was the percent of decrease from the original price? Round to the nearest percent.
35%
500
A limo costs $85 to rent for 3 hours plus a 7% sales tax. If you have a 25% off coupon, what is the total cost to rent a limo for 6 hours?