Unit 1
If a car travels 150 miles on 5 gallons of gas, what is the unit rate in miles per gallon?
30 miles per gallon
$22 discount
1/2 + 3/10
4/5
-2 x -10
20
2(-8x + 5)
-16x + 10
If a cyclist rides 120 miles in 3 days, what is the unit rate in miles per day?
40 miles per day
A worker earns $480 for 40 hours of work. What is the unit rate in dollars per hour?
$12 per hour
1/3 - 2/7
1/21
-16 / -2
8
-2x + 1x - 6 + 9 + 3x
2x + 3
If 3 apples cost $1.50, how much do 12 apples cost?
$6
To buy a car, Jessica borrowed $15,000 for 3 years at an annual simple interest rate of 9%. How much interest will she pay if she pays the entire loan off at the end of the third year? What is the total amount that she will repay?
Interest paid: $4,050
Total amount she will repay: $19,050
1 2/5 + 3 7/8
5 11/40
4 2/5 - 6 3/7
-2 1/35
Factor the Expression:
18x + 6
6(3x + 1)
A recipe requires 2 cups of sugar for every 3 cups of flour. If you use 6 cups of sugar, how many cups of flour do you need?
9 cups of flour
$2.25 tax
-9 + 5
-4
-3 x 8
-24
5 less than 7 multiplied by a number
7N - 5
How can you tell if a graph represents a proportional relationship?
It goes through the origin and a straight line
A bank is offering 2.5% simple interest on a savings account. If you deposit $5000, how much interest will you earn in one year?
$125 earned
20 - 25
-5
2/3 divided by 5/6
4/5
7p - 5m + 6
-37