Cross multiplying
Stats and Probability
Equations
Expressions
Percents
100
The scale factor on a floor plan is 1 in: 6 ft. What is the actual distance represented by a
3 inches on the floor plan?
18 ft
100
A sample is being chosen for a survey to find out how people feel about adding more stop signs near a school. Which group would be less biased?
A voters C drivers
B Students D teachers
Students
100
7x+4=25
x=3
100
Evaluate p - q for p = -13 and q = -50.
37
100
A new novel is selling for $30.00. If it is on sale at 20% off, find the amount of the discount.
6
200
A roll of 20 quarters weighs 4 ounces. Which proportion can be used to find the weight, in ounces, of 100 quarters?
x=20
200
One bag contains 10 red marbles, 15 green marbles and 15 blue marbles. If Amy pulls a marble out of the bag, what's the chance that it's a red marble?
1/4
200
-2x-5=25
x=-15
200
Evaluate p - q for p = 12 and q = 50.
-38
200
If a pair of sunglasses costs x dollars, the expression x + 0.12(x) means “increase the price of the sunglasses by 12%.” Which expression means the same thing?
1.12x
300
Harriet paid $343 for 7 fruit trees. If each of the trees cost the same, what is the cost for
2 trees?
98
300
Yara has a pencil box. 5 are green, 12 are brown, 6 are yellow, and 4 are blue. If you select a pencil at random, which colored pencil would you be least likely to select?
Blue
300
Solve 5x-10=20
x=6
300
Which expression is equivalent to
1/2(8x + 12)
4x+6
300
Ashley received $60 in cash. She did the following with her money:
Put 35% of the $60 in her savings account at the bank
Spent 25% of the $60 on a t-shirt
Kept the rest in cash
How much money did Ashley keep in cash?
24
400
Which value would complete the table to make the relationship between the two quantities proportional?
7.2
400
The experimental probability of Peter hitting a hole-in-one on the golf course
is . If Peter is going to play golf 40 times in a year, how many times can he expect to
hit a hole-in-one?
16
400
Solve: - 3y + 4 = -11
y=5
400
Simplify: -10 + 4 - (-2)
-4
400
A student spends $48 on school supplies at a store where the sales tax is 7%. What is the total cost of supplies?
51.36
500
A random sample of 50 was taken from a shipment of 12,000 light bulbs. There were 2 broken light bulbs in the sample. How many broken bulbs would you expect in the entire shipment?
480
500
Wendy noticed that of the 345 cars that passed by her house, 56 were SUVs. How many SUVs could you expect to see pass by if 2,100 cars drove past your house?
340
500
Craig went bowling with $30 to spend. He rented shoes for $5.25 and paid $4.00 for each game. What was the greatest number of games Craig could have played?
x=6
500
Which expression is equivalent to (14 + 6y) + (2y - 16)?
8y-2
500
A student spends $88 on school supplies at a store where the sales tax is 8.625%. What is the total cost of supplies?
95.59