Ratios
Write the ratio of 6 apples to 3 oranges in simplest form.
2:1
Find the unit rate: 10 miles in 2 hours.
5 miles per hour
1/2 ÷ 1/4
2
Write an expression for “5 more than x.”
x + 5
Solve: x+3=7
4
Are the ratios 4:6 and 6:9 equivalent?
Yes
A pack of 6 notebooks costs $12. What is the cost per notebook?
$2 per notebook
3/4 ÷ 1/2
1 1/2
Evaluate: What is 3x if x=4?
12
Solve: 2x=10
5
A class has 12 boys and 8 girls. What is the ratio of boys to total students?
3:5
A car travels 180 miles in 3 hours. What is the unit rate?
60 miles per hour
5/6 ÷ 2/3
1 1/4
Write an expression for “twice a number decreased by 7.”
2x-7
Solve: x−5=9
14
If 5 pencils cost $2, how much do 15 pencils cost?
$6
Which is the better deal: 8 bottles for $12 or 12 bottles for $15?
12 for $15
You have 2 1/3 yards of ribbon. Each piece needs 3/5 yard. How many pieces can you make?
3 8/9 pieces
Evaluate: 4x+3 if x=5?
23
Solve: 3x+4=19
5
A recipe uses a ratio of 2 cups flour to 3 cups sugar. If you use 10 cups of flour, how much sugar is needed?
15 cups
You earn $45 for 6 hours of work. At this rate, how much would you earn in 10 hours?
$75
A tank hold 7/8 gallon of water. Each cup holds 1/4 gallon. How many cups can be filled?
3 1/2 cups
In 6y+2, what is the coefficient and what are the terms?
Coefficient: y
Terms: 6y & 2
Solve: 4x−7=2x+9