Percent
A photographer reduces the size of a photo by 20%. If the length of each side is 12 cm, what is the length of the side of the new photo?
9.6 cm
Solve the problem: (-5) − (-23)
18
What is the constant of proportionality (unit rate)?
Pounds of Apples
1 lb = $0.78
2 lbs = $1.56
3 lbs = $2.34
4 lbs = $3.12
$0.78
(5x + 2) - (-6x + 1)
11x + 1
The Valdez family bought a Blu-ray player on sale. The original price was $120. They received a 12% discount. How much did the Valdez family pay for the Blu-ray player after the discount?
$105.60
Find the quotient of -56 ÷ 8
-7
The ordered pairs (6, 24) and (1, s)represent a proportional relationship. Find the value of s.
Lora bought a house for a price of p dollars. After 1 year the value of the house increased by 50%. Which expression best represents the new value of the house?
1.5p
The cost of a one-year subscription to Whale World magazine used to be $24. The cost is now $30 for one year. What is the percent increase in the cost of the subscription?
25%
The product of −3/5 and 6/7 is
-18/35
Marc can drive his car 9 miles using 1/3 gallon of gas. How many miles can he drive on one gallon of gas?
27 miles
What expression is equivalent to 2/7(14x + 3)?
4x + 6/7
What is the interest earned on $620 at a rate of 3% for one year?
$18.60
Chip was overdrawn at the bank. His bank balance was -$34. Then he deposited $54. What is his bank balance now?
$20
Janet uses 2 1/2 cups of strawberries to make 4 cups of strawberry jam. How many cups of strawberries are required to make 10 cups of strawberry jam?
6 1/4 cups
Sam has a piece of ribbon 6x + 5/6 inches long. Julie has a piece of ribbon 4x + 1/3 inches long. How many inches longer is Sam′s ribbon than Julie′s ribbon?
2x + 3/6 inches
2x + 1/2 inches
At a one-day sale, Alisha bought a skirt for $25. The next day, her friend Merideth bought the same skirt and found that it was marked up 30%. How much did Merideth pay for the skirt?
$32.50
Marco and his friend Victor are pitchers for their school baseball team. On average, Marco strikes out 2.4 batters per game. On average, Victor strikes out 4.6 batters per game. What is the difference in their strikeout averages?
2.2 batters per game
Is the relationships between the Number of Packages (p) and Cost is Dollars (c) proportional? If so, write an equation that relates the number of packages, p, to the cost in dollars, c.
Number of Packages (p) to the Cost in Dollars of Apples (c)
0 packages, $0
1 package, $4
2 packages, $8
3 packages, $12
4 packages, $16
yes,
c = 4p
The lengths of three sides of a triangle are 2x + 1/5 feet, 4x + 1/2 feet, and x+ 1/5 feet. What is the perimeter of the triangle?
7x + 9/10 feet