Topic 5
Write a ratio comparing O+ donors to A+ donors three ways.
A+ = 45 donors
O+ = 90 donors
45:90, 45 to 90, 45/90
Your friend shows you a coin collection. In it, 45/50 of the coins are quarters. What percent of the coins are quarters?
90%
What is the formula to find the area of a triangle?
A=base x height x 1/2
Find the mean of the data:
3,5,8,2,6,4,4
4.57
Percent means...
... out of 100
Write one ratio that is equivalent to 6/7.
12/14, 18/21, etc.
What is 0.67 as a percent and a fraction?
67% 67/100
How do you find the area of a parallelogram?
A = base x height
Find the median of the data:
3,5,8,2,6,4,4
4
3 gal = ___ L
1 gal = 3.79 L
11.37 L
Julia drives 4 hours on 2 gallons of gas. John drives 6 hours on 3 gallons of gas. If they both have to drive 200 miles, who will arrive there first?
Neither - they will arrive at the same time.
What is 5% of 210?
10.5
Find the area of a kite with a height of 15 inches and a width of 20 inches.
150 in2
Find the mode of the data:
3,5,8,2,6,4,4
4
35 is 15% of what number?
233.3333...
What is the better deal? 16 oz of meat for $5.40 or 12 oz of meat for $4.16
16 oz for $5.40
Martha has a budget for groceries, fuel, and utilities. She spent 20% of her budget on groceries. If Martha spent $42.00 on groceries, how much is her budget?
$210
Find the surface area of a cube with a side length of 4 cm.
96 cm2
Find the range of the data:
3,5,8,2,6,4,4
6
13000 mg = ______ kg
1000 mg = 1 kg
13 kg
12 oz = _____ lb
16 oz = 1 lb
0.75 lb
Jack buys a coat for $45. If he had a coupon for 40% off, how much did he spend?
$27
Find the volume of a rectangular prism with a length of 4 1/2 in, a width of 2 1/4 in, and a height of 3 1/3 in
33 3/4 in3
What is the outlier of this data set?
3,7,56,67,89,6,4,3554,3,5,6,43,54,56
3554
Find the surface area of a rectangular prism with the following measurements:
l = 4.5 ft
w = 3 ft
h = 2.3 ft
61.5 ft2