Which number could be added to this spinner to make it more likely that the spinner will land on an odd number than a prime number?
A 3 B 5 C 9 D 11
C 9
Michelle rolls a fair die, with sides labeled A, B, C, D, E and F. What is the probability that the die lands on a vowel?
1/3
A fair die is thrown. What's the probability that it will land on an even number?
1/2
A fair die is thrown. What's the probability that it will land on a whole number?
100%
There are 6 blue, 8 red, 7 black, and 19 white marbles. If Luna picks out a marble at random, what's the probability that it will be blue?
3/20
There are 6 blue, 8 red, 7 black, and 19 white marbles. If Ashton picks out a marble at random, what's the probability that it will be red?
1/5
Connor has 1/5 of a gallon of cranberry juice, 1/3 of a gallon of apple juice, and 7/10 of a gallon of grape juice. How much juice does he have?
1 7/30 gal
Tony is hanging streamers for the party. Each streamer is 2 2/5 meters long. If he hangs 3 streamers end to end, what is the total length of the streamers?
7 1/5
A fair die is thrown. What's the probability that it will land on a prime number?
1/2
A fair die is thrown. What's the probability that it will land on a composite number?
1/3
Out of 60 music students, 1/5 of them take piano lessons, 1/4 of them take violin lessons, and 1/6 of them take viola lessons. The other students play woodwind or brass instruments. How many students play woodwind or brass instruments?
23
A family spends 1/2 of its monthly income on housing and utilities, 1/3 on food and has $800 left. How much is the family’s monthly income?
4800
There are 6 blue, 8 red, 7 black, and 19 white marbles. If Santa picks out a marble at random, what's the probability that it will not be white?
21/40
There are 52 cards numbered 1 through 52. What's the probability of picking a card that is a multiple of 4?
1/4
Seven-eighth of the people at a movie theater buy popcorn. Three-fourth of them also buy a drink. What fraction of the people from the whole movie theater get the drink and popcorn?
21/32
Seven-eighth of the people at a movie theater buy popcorn. Three-fourth of them also buy a drink. If there are 320 people in the theater, how many of them buy both?
210
Mr. Lu is thinking of a number between 1 and 20, inclusive. What's the probability that it will be a prime number?
2/5
Mr. Lu is thinking of a number between 1 and 20, inclusive. What's the probability that it will be a composite number?
11/20