Proportions and Ratios
Mrs. Brown has noted that 3 out of every 10 pieces of mail she gets are junk mail.
What percent of her mail is junk?
30%
What is the decimal number for 6%?
0.06
What is the decimal number for 2/5
0.4 or 0.40
123.06 + 8.7
131.76
What set would you find these numbers?
3, 0, -2.6, 1, -11
Rational Numbers
What set (Natural, Whole, Integer, or Rational Number) does -8 belong ?
Integer
A flock of sheep has 182 white sheep and 98 spotted sheep. Which set up proportion will be used to determine p, the percent of the flock that has spots?
98/280=x/100
What is 175% of $10?
$17.50
There is a 1 in 8 chance of a player winning a game.
What is the decimal equivalent to the chance of the player winning a game?
0.125
You are playing a card game called Subzero, where the goal is to get the lowest possible score. In the first round, you scored -6 points. In the second round, you scored -12 points. What is your total score now?
-18
order from least to greatest: 8.31, 8.39, 8.309
8.309, 8.31, 8.39
What is the reciprocal for 3/5?
5/3
The ratio of cats to dogs in the local shelter is 5 to 8. Which of the following shows the possible numbers of cats and dogs in the local shelter?
30 dogs and 48 cats
15 cats and 18 dogs
20 cats and 32 dogs
20 cats and 32 dogs
Starbucks has a new drink called the Kiwi Blast. Today, there is a 20% discount on all food and drink. If the original cost of the Kiwi Blast was $4.00, then what is the sale price?
$3.20
What is the decimal and fraction for 75%?
0.75 and 3/4
Subtract: 1000 - 39.92
960.08
Destiny, Savion, Jason and Amber competed to see who could run the farthest without stopping. Destiny ran 1/2 mile, Savion ran 7/8 mile, Jason ran 3/5 mile and Amber ran 3/4 mile. List these distances in order from greatest to least?
7/8, 3/4, 3/5, 1/2
On an adventure tour, DeShawn ran 3 miles, biked 6 miles, swam 4 miles, and walked 7 miles. What percentage of the tour did DeShawn swim?
20%
Vision Source has a pair of glasses that are 20% more than the same pair of glasses at ABC Eye. If the glasses are $85 at ABC Eye, then how much more will you pay at Vision Source?
$102.00
85 * .20 = 17
Add 17 to 85 = 102
Yesterday 170 guests at a hotel called for room service, and 255 guests did not call for room
service. What percentage of the guests at this hotel called for room service yesterday?
15%
Each person at Louie's barbecue used 3/5 cup of barbecue sauce. There were 7 people at the barbecue. How may cups of barbecue sauce were used in all?
21/5 or 4 1/5 cups
Nancy has 5 pounds of jelly beans to divide into bags for her children. If she puts 1/4 pound of jelly beans in each bag, how many bags can she make?
20 bags
Trayvon completes 0.7 of the total number of push-ups his coach requires. Which does NOT represent the part of the push-ups Trayvon completes?
7% 70% 14/20 0.70
7%
What is the product 93.3 * 2.7
251.91
A teacher’s cabinet has 56 black dry erase markers and 14 red dry erase markers. What percentage of dry erase markers are red?
20%
14/70 = x/100
You have to add 56 + 14 for total.
Trayvion purchase a couch for $245.00. He paid 7% tax on his purchase.
What was the total purchase price?
$262.15
850 projects were entered in the science fair.
If 75% of the projects did not receive a ribbon, then how many student projects did receive a ribbon?
213 projects
A pharmacist put 4.536 ounces of vitamin pills into bottles. She put 0.042 ounce of vitamin
pills into each bottle.
How many bottles did the pharmacist use for these vitamin pills?
108 bottles
Write these temperature from warmest to coldest.
-1.29 -1.11 -1.2 -1.19
-1.11, -1.19, -1.2, -1.29
You have $27. You give your mother $30 after borrowing $3 from your friend. Now you're in debt. Then, you saw a nice gift you wish to buy for your dad on the upcoming Father's Day, which costs $80.
How much more will you need to buy the gift after paying your friend back?
$83