I'm 100% sure this is right
Solve for ?
It is highly probable
Puzzling Proportions
Potpourri
100

How do you turn a decimal into a percent?

Multiply it by 100. 

100

.6x = 3.6

x=6

100

How likely is it that a number cube is tossed and it lands on 8?

impossible

100

What is the missing number in the proportion? 5/8 = n/48

n=30

100

What is the range for data set B=3, 1, 7, 5, 6, 10, 8, 9, 9?

9

200

How much would a bicycle cost if it were marked down 15% from its original price of $289?

$245.65

200

-8k + 3 = -125

k = 16

200

The classic wood carousel at Carousel Park in Hampton, VA has 32 jumping horses and 16 standing horses. What is the probability of randomly selecting a jumping horse?

2/3, or 0.67, or 67%

200

The equation "d = 55t" gives the distance in miles, "d", that a car can travel in "t" hours. How long will it take to go 247.5 miles?

4.5 hrs

200

Phyllis is comparing the daily high temperatures in two cities.

Chicago, Il

40, 39, 41, 38, 42, 44, 45, 37, 48, 46

San Francisco, CA

59, 66, 57, 63, 67, 61, 70, 62, 61, 64

What is the mean temperature for San Francisco, CA?

63

300

Use the percent equation. 0.5% of all statistics are true. If you have a list of 1,400 statistics. How many are true?

7 statistics

300

-1 + 8a = -129

a = -16

300

What is the number of possible outcomes for spinning one spinner with 8 equal sections and another spinner with 6 equal sections?

48 possible outcomes

300

Thirty buses can carry 1500 people. How many people can be carried by 5 buses?

250

300

Make a tree diagram to find the total number of outcomes of making a sandwich from white, wheat, or rye bread, cheddar or Swiss cheese and ham, turkey, or roast beef.

18 outcomes

400

Elvia can get a $10.28 discount on a $68.53 purchase at a certain department store because she works there. What percent discount does she get?

15% discount

400

7.9p-5.8=41.6

p=6

400

Pedro recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Woodpecker = 3 Chickadee = 5 Cardinal = 1 Sparrow = 13 Blue Jay = 3

1/5, or 0.20, or 20%

400

Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates 8 trucks can carry?

320

400

If you buy a necklace for $400 on your credit card, which charges 21.3% simple interest, how much interest will be added after 15 months?

$106.50

500

Al's Quick Mart sells milk for $1.99 per gallon, but they used to sell it for $2.79. What is the percent change in the price? Round to the nearest whole percent. State whether this is increase or decrease.

40% decrease.

500

(d/12) + 25 = 29

d = 48

500

Jarvonya spins a spinner with 5 equal sections numbered 1-5 and she spins another spinner with 5 equal sections with the letters A-E. What is the probability she will spin a 4 and a B?

1/25 or 0.04, or 4%

500

On Fiona's map, the distance from her office to her house measures 3.5 in. The map scale is 1 in. = 16 mi. If Fiona drives back and forth, how many total miles will her round trip be?

112 miles

500

Myron has four dimes in his wallet with dates 1998, 1995, 2002, and 2000. If he randomly picks one dime from his wallet, what is the probability that it will have a date in the 1990s?

1/2