Recipe Ratios
Marco's Mix is 1 part honey, 4 parts oats, 5 parts nuts.
The amount of nuts is ___ times the amount of honey, and the amount of oats is ___ times the amount of honey.
5 times, 4 times
Write as a fully simplified ratio with the same units: 15 inches : 3 feet.
5:12
12 out of 30 students joined chess club. What is the simplified ratio of non-members to members?
3:2
After a workout, Sam counts 17 heartbeats in 10 seconds. What is her heart rate in beats per minute?
102 beats per minute
3/4 = t/20
t=15
Ana typed 87 words in 3 minutes. What is her typing speed in words per minute?
29 wpm
What fraction of Marco's Mix is oats?
2/5
Write 3 yards / 12 inches as a simplified ratio with the same units.
9:1
At a shelter, the ratio of cats to dogs is 3:7. What fraction of the animals are dogs?
7/10
Pat runs a 15-minute mile pace. What treadmill speed in miles per hour matches that pace?
4 mph
x/8 = 15/24
x=5
Cassie babysits from 2:30pm to 6pm and is paid $52.50. What is her hourly wage?
$15 per hour (3.5 hours)
If you use 12 cups of oats, how much honey and how many cups of nuts do you need?
3 cups honey, 15 cups nuts
Jada read Mon 36, Tue 20, Wed 45, Thu 28, Fri 21 minutes. What is the simplified ratio of Tuesday's minutes to Monday's minutes?
5:9
Which are equivalent to 3/5?
Choices: 6/10, 5:3, 9/15, 0.6/1, 12:20, 3 to 6.
6/10, 9/15, 0.6/1, 12:20
Riley runs a 9-minute mile pace. What is her speed in miles per hour, as a mixed number?
6 2/3 mph (60/9 = 20/3)
10/x = 35/21
x=6
Which is the better buy: an 8-pack of water for $3.60 or a 20-pack for $8.40?
The 20-pack ($0.42 each vs. $0.45 each)
You need 50 ounces of Marco's Mix. How much of each ingredient?
5 oz honey, 20 oz oats, 25 oz nuts
Using the same table, what is the simplified ratio of Thursday's minutes to the total minutes read for the week?
14:75
(No calculator, no decimals) Red, blue, and white paint are mixed in the ratio 4:1:3. You need 32 gallons in total. How much of each?
16 gal red, 4 gal blue, 12 gal white
Lee earns $3 in rewards for every $50 spent. If Lee earned $27 last month, how much did Lee spend?
$450
5/4 = c/6
c= 15/2 or 7 1/2
State A has a population of 5,100,000 and 60,000 square miles. State B has 3,900,000 and 40,000 square miles. Find each population density, rounding down to a whole person, and say which state is less crowded.
A = 85 people per sq mi, B = 98 people per sq mi (97.5 rounded up). State A is less crowded.
Marco uses 35 cups of nuts in a batch of Marco's Mix (1 part honey, 4 parts oats, 5 parts nuts). How much honey and oats does he use, and how many cups of mix does he make in all?
7 cups honey, 28 cups oats, 70 cups of mix in total
Write 2 feet 6 inches : 1 yard as a fully simplified ratio with the same units.
30:36 = 5:6
At a camp the ratio of boys to girls is 5:7, and there are 36 more girls than boys. How many campers are there in all?
216 campers (90 boys, 126 girls)
A hose fills 2/3 of a tub in 8 minutes. At this rate, how many minutes does it take to fill the whole tub?
12 mins
14/x = 21/27
x = 18
Which is the best buy: a 6-pack of juice for $2.88, a 15-pack for $6.90, or a 24-pack for $10.80? Show the unit prices.
The 24-pack. It costs $0.45 each, against $0.48 for the 6-pack and $0.46 for the 15-pack.