In a probability experiment, Eric flipped a coin 42 times. The coin landed on heads 28 times. What is the ratio of heads to tails in this experiment? A. 2/3 B. 1/2 C. 3/2 D. 2/1
The number of tails is simply the difference between the total number of flips and the number of heads: 42 - 28 = 14.
So, the ratio of heads to tails is 28:14, which simplifies to 2:1.
Therefore, the answer is D. 2/1.
Ricardo has a bag of mixed fruit snacks. In the bag, there are 10 cherry fruit snacks and 15 strawberry fruit snacks. What is the ratio of strawberry to cherry?
A.
10:1
B.
2:3
C.
1:10
D.
3:2
The ratio of strawberry to cherry is 15:10, which simplifies to 3:2 (by dividing both sides by 5).
Therefore, the answer is D. 3:2.
Select all the correct answers.
At a garage sale, the following items were sold.
Item Number Sold
t-shirts 25
shorts 15
dresses 4
hats 2
shoes 5
sunglasses 10
Which of the following comparisons of the items sold represent a ratio of 5:2?
all items to t-shirts
shoes to hats
shorts to shoes
sunglasses to dresses
t-shirts to sunglasses
The comparisons that represent a ratio of 5:2 are:
- T-shirts to dresses: 25/4 = 6.25, not a ratio of 5:2.
- Shoes to hats: 5/2 = 2.5, not a ratio of 5:2.
- Shorts to shoes: 15/5 = 3, not a ratio of 5:2.
- Sunglasses to dresses: 10/4 = 2.5, not a ratio of 5:2.
- T-shirts to sunglasses: 25/10 = 2.5, not a ratio of 5:2.
Therefore, there are no correct answers.
At Crescent High School, 108 students plan on going to an in-state college and 63 students plan on going to an out-of-state college. What is the ratio of students planning on going to an in-state college to students planning on going to an out-of-state college?
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Complete the following sentences.
Jessica is building a playhouse. She uses 3 sheets of drywall and 73 nails. The ratio of nails to sheets of drywall, in simplest form, is
:
, because she uses
nail(s) for
sheet(s) of drywall.
The ratio of nails to sheets of drywall, in simplest form, is:
73/3
This ratio cannot be simplified any further.
Therefore, the completed sentence is:
Jessica is building a playhouse. She uses 3 sheets of drywall and 73 nails. The ratio of nails to sheets of drywall, in simplest form, is 73/3, because she uses 73 nails for 3 sheets of drywall.
Rose has a playlist with 30 rock songs and 21 country songs. What is the ratio of country songs to rock songs on the playlist?
A.
7:10
B.
30:1
C.
10:7
D.
1:30
The ratio of country songs to rock songs on the playlist is 21:30.
This ratio can be simplified by dividing both sides by 3:
21/3 : 30/3
7 : 10
Therefore, the answer is A. 7:10.