Ratios
Simplify this Fraction:
8/14
4/7
Solve for x:
5/8 = x/64
x = 40
Sam makes 27 calls in 9 hours at work. What is her unit rate?
3 calls per 1 hour
Find the unit rate:
4 miles per 1/4 hour
16 miles per 1 hour
The equation for a line that is proportional is written in the form....
y=kx
Simplify this Fraction:
32/48
2/3
Solve for x:
16/24 = x/27
x= 18
Nick buys yarn at the store. 21 yards costs $42.
A: Find the unit price.
B: Calculate the cost of 35 1/2 yards of yarn.
A: $2 per yard
B: $71
1/4 feet per 5/6 minute
3/10 feet per 1 minute
Another name for the constant of proportionality is..
Unit Rate!
In Mr. Bloch's math class there are 9 girls and 12 boys. What is the ratio of girls to total students?
3:7
3/7
Solve for x:
9/4 = x/1
x= 9/4 or 2_1/4
Lana bought 5 chocolate bars for $3.70.
A: Find the unit price.
B: Calculate the cost of 12 chocolate bars.
A: $0.74 per 1 chocolate bar.
B: $8.88
It takes Paul 2 1/2 hours to mow 3/4 of his lawn. How long does it take him to mow his entire lawn?
3 1/3 hours to mow the whole lawn.
Is this a proportional relationship? If yes, what is k? If no, why not?
x y
1 4
3 15
4 20
No because the ratios are not the same.
In Mrs. Rich's class there are 9 girls and 24 boys. What is the ratio of boys to total students?
8:11
8/11
For every 3 chocolate chip cookies that Mrs. Sieracki bakes, she bakes 2 oatmeal raisin cookies. If she bakes 80 oatmeal raisin cookies, how many chocolate chip cookies did she bake?
120 Chocolate Chip Cookies
Your family went on a road trip and traveled 486 miles. It took your family 9 hours to get there. How many hours would it take to drive 1,755 miles?
32.5 Hours
James can walk 2/3 of a mile in 1/6 of an hour. How far can James walk in 1 hour?
James can walk 4 miles in 1 hour.
The point (3, 10) is on the graph of a proportional relationship. What does y equal when x equals 4.8.
y = 16
In Mr. Zuehls' Area Studies class, there are 14 boys and 18 girls. If Mr. Zuehls has 8 textbooks, what is the ratio of books to total students?
1:4
1/4
The ratio of cats to dogs in the shelter is 5 to 3. If there are 48 dogs, how many cats are there?
80 Cats
You took a family trip to the mountains and traveled 486 miles. It took 18 gallons of gas to get there. How many gallons would it take to drive 500 miles?
(Round to the nearest 10th)
18.5 gallons of gas
Sam rode her bike 2/7 of a mile in 5/6 of an hour. How long will it take Sam to ride 1 mile?
35/12 hours
or
2 11/12 hours
The relationship between a puppy's age and weight are proportional. At 3 months, the puppy weighs 25.8 pounds. If the puppy weighs 38.75 pounds, how old is it? (Round to the nearest 10th)
4.5 months old