Ratios
A novelty store sells 8 comic books for every 3 action figures. On Monday they sold 32 comic books. How many action figures did they sell on Monday?
8 x 4 = 32 so 3 x 4 = 12
So 12 action figures
At Family fun center 25 people ride the Go-Carts every 30 minutes and 20 people ride the bumper boats every 20 minutes? Which ride will have more riders per hour? How many more per hour?
50 people per hour on GO-Cart
60 people per hour on Bumper boats
The Bumper Boats will have 10 more people per hour
A chef makes a stew at a rate of 2 pounds of meat for every 7 quarts of broth. If the chef uses 35 quarts of broth how many pounds of meat is needed?
7 x 5 is 35 so 2 x 5
10 pounds of meat!
Your family is on a hike. The last hike you did took your family 5 hours to hike 15 miles. What unit rate can you use to predict how far your family hikes per hour?
3 miles per hour
An important job at a pizza restaurant is folding pizza boxes. If Donna can fold 175 boxes in 50 minutes and Elijah can fold 120 boxes in 30 minutes. Who folds at a faster rate without getting a paper cut.
175 divided by 50 = 3.5 boxes per min
120 divided by 40 = 4 boxes per min
Elijah is faster
Name a ratio equivalent to 6:16
3 : 8 or 12 : 32 or 24 : 64 or etc.....
2 pink paint mixes are available at the store. Luca wants the darker one. One has a ratio of red to white is 9:12 the other is a ratio of red to white is 3 : 5
Which one does Luca want?
Example 9 : 12 vs 9 : 15 the first one is darker because using less white when using the same amount of red
An ostrich can run at a constant rate of speed of 6 miles in 12 minutes how far can the ostrich run in 40 minutes?
the miles should be half the minutes since 20 is half of 40.
it will take 20 minutes!
A cheetah can run 196 meters in 8 seconds what is a cheetah's unit rate?
196 divided by 8
24.5 meters per second! run!!!!!!
GET A CALCULATOR!!!!!!
At Circle K a 24 pack of soda costs $14.00. At QFC the same soda for a 12 pack cost $8.00. Which store has the better deal
14 divided by 24 = $0.58
8 divided by 12 = $0.67
Circle K is cheaper, NO WAY!
For every 3 packages Zander wraps he uses 1/2 rolls of wrapping paper. if he uses two and a half rolls of wrapping paper, how many packages did he wrap
because I need 5 halves to make 2 and 1/2 then 5x3 tells me how many packages were wrapped
so 15 packages
Mr. T's printer can make 8 photos in 12 minutes.
Ms. Janelle's printer can make 24 photos in 1 hour.
Whose printer is faster?
12 x 5 = 60 so 8 x 5 is 40
so Mr. T's printer can make 40 photos in 1 hour which is definitely faster than 24 per hour.
I am so fast i can run 80 yards in 25 seconds how far can I run in a minute?
One way is to divide both numbers by 5
you get 16 yards in 5 seconds then multiply both by 12 since 12 x 5 = 60 seconds (1 minute)
so 12 x 16 = 192 yards! almost 2 football fields!
I you follow the speed limit in Oregon you drive 55MPH. How long will it take to drive 220 miles?
220 divided by 55
4 hours
If there are 4 quarts in a gallon how many quarts are in 7.5 gallons?
30 Quarts!!
If the ratio of students to teachers for 6th grade is 6 to 1 how many students are in the 6th grade if 427 people make up the 6th grade student and staff?
427 divided by 7 gives us the unit rate of 61 we need to multiply 6 by 61 to get the number of students.
or we can subtract 427 - 61 to take away the teachers.
61 x 6 = 336 and 427 - 61 = 336
If Foot Locker and Finish Line both sell black socks and white socks and they want to know who is selling more black socks. Foot Locker sells a ratios of 4 to 5 of Black to White and Finish Line sells a ratio of 6 to 7 of Black to White.
Finish line sells more black socks when they sell the same amount of white socks.
2 more to be specific when they both sell 35 white socks. Finish Line sells 30 and Foot Locker sells 28.
Mr. Sklar drives 75 miles per hour. How far would he get on a 5.5 hour road trip? If he never slows down or stops.
75 x 5.5 = 412.5 miles that's about how far Boise Idaho is. And that's not speeding
If you can do 15 problems in 50 minutes what can you do in 1 hour?
18 problems per hour
How many meters is 25 cm?
1 meter = 100cm so we divide by 100 so
0.25m
If a recipe calls for 2 eggs for every 3 cups of sugar and you want to triple the recipe how many eggs and how much sugar will you need?
6 eggs and 9 cups of sugar
Find all the ratios that are equivalent to 16 to 3
A) 48 to 3 B) 8 to 1
C) 32 to 6 D) 8 to 1.5
C and D
You need to replace you fan in your PC the sell fans in packs of 3 but your PC requires 5. The company allows you to buy single fans after buying 1 pack of 3 for $21
How much will you spend on 5 fans?
3 for 21 and $7 for each additional fan.
$35
If 3 birthday cards cost $13.50 what is the cost per card?
13. 50 divided by 3
$4.50
GRAB A CLACULATOR!!
30 rolls of toilet paper at QFC cost $21.99
36 rolls of toilet paper at Target cost 29.99
What's the better deal?
Everyone needs toilet paper!
QFC is $0.73 per roll
Target is $0.83 per roll
QFC is $0.10 cheaper!