Ratios
A recipe calls for 2 cups of flour and 3 cups of sugar. What is the ratio of flour to sugar in simplest form?
What is 25% of 80?
20
Which of the following rates is the lowest?
$5 for 2 pounds of apples
$7.50 for 3 pounds of apples
$10 for 4 pounds of apples
$12 for 5 pounds of apples
$12 for 5 pounds of apples
0.3 x 0.5
0.15
A classroom has 15 boys and 10 girls. What is the ratio of boys to the total number of students in simplest form?
Boys to the total number of students is 15:25
Simplifies to 3:5
A school has 200 students, and 60% of them are involved in sports. How many students are involved in sports?
120 students
Which of the following is the unit in the rate "$5 per hour"?
Hour
1.2 x 2.1
2.52
In a fruit basket, there are 8 apples, 12 bananas, and 4 oranges. What is the ratio of apples to bananas to oranges in simplest form?
2:3:1
A laptop is priced at $800. If it is on sale for 15% off, what is the final price of the laptop?
$680
Which is the better buy: 3 pounds of oranges for 6 or 5 pounds of oranges for 8?
5 pounds for $8
2.5 x 6.7
16.75
A school is organizing a field trip and has a ratio of 4 teachers for every 15 students. If 60 students are going on the trip, how many teachers will be needed?
16 teachers
A student earned a grade of 80% on a math test that had 30 problems. How many problems on this test did the student answer correctly?
24 problems
If a printer prints 240 pages in 8 minutes, what is the unit rate of pages per minute?
30 pages/minute
0.6 x 0.91
0.546
In a garden, the ratio of the rose bushes to tulip plants is 5:8. If there are 40 tulip plants, how many rose bushes are there
25 rose bushes
The ratio equation used to find percent is...
part/whole = %/100
Which is better buy: 10 notebooks for 15 or 12 notebooks for 18?
Both are the same
8.54 x 3.2
27.328