Unit Rates
A student reads 120 pages in 5 hours. What is the unit rate, in pages per hour?
24 pages per hour
Find the slope of the following line.(# 8)
1/3
Cost of a comb: $1.30
Markup: 30%
$1.69
From 100 to 90
10 % decreases
-7n - 3n
-10n
A machine produces 250 parts in 10 minutes. What is the unit rate, in parts per minute?
25 parts per minute
Find the slope of the following line. (#9)
-3
Cost of shoes: $129.95
Markup: 70%
Discount: 30%
$154.64
From 50 to 75
50% increase
3x + 4 - 4
3x
A runner jogs 6.4 miles in 8 minutes. What is the unit rate, in miles per minute?
0.8 miles per minute
Find the missing side length. (#16)
10
Original price of a shirt: $7.95
Discount: 27%
Tax: 6%
$6.15
From 63 to 13
79.4% decrease
8 (n + 4)
8n + 32
A person walks at a constant speed. The relationship between her time, in minutes, and the distance she walks, in miles, is given in the graph. What is the persons rate for one mile? (# 7 on review)
10 mph
Find the missing side length (#14)
8
Original price of a car: $56,000.00
Discount: 10%
Tax: 6%
$53,424
From 48 to 39
18.8% decrease
-(4r + 4)-6
-4r -10
A cyclist rides at a constant speed. The relationship between her time, in minutes, and the distance she rides, in miles, is given in the graph. What is the cyclists rate for one mile? (# 6 on review)
4mph
Find the missing side length. (#19)
66
Cost of a radio: $80.00
Markup: 30%
Discount: 15%
Tax: 5%
$92.82
A car dealership is having a "Double Discount" clearance event. A luxury SUV originally costs
First, the price is decreased by 20%
Later that day, a manager applies an additional 15% off discount to the new sale price.
Finally, a buyer negotiates a further 5% price reduction off that latest price.
What is the final sale price of the SUV, and what is the single total percentage decrease from the original price?
35.4% decrease
-8n + 5( (1 / 10) + 10n)
42n + 1/2