Ratios
What are the 3 ways to write a ratio?
As a fraction, using :, or with the word to
Does the following create a proportion?
8/15 = 11/19
A baseball team won 16 of their first 27 games. If they play 162 games in a full season, how many games will the team win if they keep winning at the same rate?
x = 96
200 is 80% of what number?
x = 250
Pira drives 825 to California in 17 hours. How far does she drive in an hour? Round to the nearest tenth.
x = 48.5
Simplify the ratio:
45 to 27
5 to 3
Does the following create a proportion?
2.8/11 = 8.4/33
Yes
James paid $1218 to take 12 credits in the fall semester at a community college. How many credits did he take if he paid $1624 for the spring semester at the same college?
x = 16
80% of 79.9 is what number?
x = 63.92
Paul purchased 3 pairs of jeans for $71.30. What is the unit rate?
x = $23.77
In a bag are 10 Jolly Ranchers. There are 3 cherry, 5 grape, 1 Blue Raspberry, and 1 Green Apple.
What is the ratio of cherry to green apple Jolly Ranchers (write it in any form).
3/1, 3:1, 3 to 1
Solve:
45/792 = 70/x
x = 1232
If 6 burgers cost $7.74, how many can you buy for $19.35?
x = 15
44 is what percent of 147.4? Round to the nearest tenth!
x = 29.9
Luis writes a 752 word report using six and a half pages. What is the unit rate? Round to the nearest whole number.
x = 116
Define what a ratio is.
A comparison of 2 things.
Solve:
26/b = 39/9
b = 6
During the summer season a business paid $6250 in taxes and brought in $125,000 in revenue. If the winter season only brought in $ 90,000 in revenue, how much did they pay in taxes for the winter season?
x = 4500
A quality control inspector found that 1.3% of 1500 computers were defective. How many computers were defective?
x = 19.5
Which is the better buy?
A) $68 for 4 pizzas
B) 6 pizzas for $96
Option B
Simplify the ratio:
80 : 240
1 : 3
Solve and round to the nearest tenth:
6.3/x = 2.56/9.3
x = 22.9
How far does a train going 68 miles per hour travel in 3 and a half hours?
x = 238
Mika's rosebush had 24 blooms in the first week of May. This was 80% as many blooms as Tammy's rosebush had during the same period. How many blooms did Tammy's rosebush have?
x = 30
Which is better?
A) A car that can drive 377 miles on 15 gallons
B) A car that can drive 478 miles on 17 gallons
Option B