Ratios!
A class has 10 boys and 5 girls. What is the ratio of boys to girls in simplest form?
2:1
A rope is 3.5 meters long. You cut off 1.2 meters. How much is left?
2.3 meters
x + 3 > 7
x > 4
6 + 3 × (8 − 5)²
6 + 3 × (3)²
6 + 3 × 9
6 + 27 = 33
A rectangle has a length of 8 cm and a width of 5 cm. What is the area?
40 cm²
There are 12 red balloons and 8 blue balloons. What is the ratio of red to blue in simplest form?
3:2
A shirt costs $40 and is 25% off. What is the discount?
$10
x − 4 ≥ 6
x ≥ 10
18 ÷ (3 × 2) + 5²
18 ÷ 6 + 25
3 + 25 = 28
A store sells notebooks for $2.50 each. If you have $20, what is the greatest number of notebooks you can buy?
20 ÷ 2.5 = 8 notebooks
A recipe uses 3 cups of milk for every 6 cups of flour. What is the ratio of milk to flour in simplest form?
1:2
3/4 ÷ 1/2
3/2
3x + 5 > 2x + 11
x > 6
A movie theater charges $12 per ticket plus a one-time $5 fee. Write and evaluate the expression for 4 tickets.
12(4) + 5 = 48 + 5 = 53
The ratio of boys to girls in a class is 3:2. If there are 25 students total, how many are girls?
10
In a bag, the ratio of green marbles to yellow marbles is 2:3. If there are 12 green marbles, how many yellow marbles are there?
18
You buy a snack for $1.25 and a drink for $0.85. What is the total cost?
$2.10
2(x − 4) ≤ x + 6
x ≤ 14
You earn $15 per hour and get a $20 bonus. Write and evaluate the expression for working 6 hours.
15(6) + 20 = 90 + 20 = 110
A water bottle holds 0.75 liters. How many bottles are needed to hold 6 liters?
6 ÷ 0.75 = 8 bottles
The ratio of cats to dogs at a shelter is 5:4. If there are 45 animals total, how many are cats?
25
A tank holds 6.4 liters of water. It is emptied equally into 0.8-liter bottles. How many bottles are filled?
8
4(x + 2) − 6 ≥ 2x + 10
x ≥ 4
Evaluate when x = 3:
2(3x + 4) − (x² − 5)
2(9 + 4) − (9 − 5)
2(13) − 4
26 − 4 = 22
A student scored 18 out of 24 on a test. What percent did they score?
75%