Proportional Relationship
Amanda got 63 out of 75 questions correct on her math test. Which ratio represents the number of questions she got incorrect to the number she got correct?
4/21
What is 35% of 60?
21
Fractions → Decimals
9/12
0.75
Fractions → Decimals
14/25
0.56
The finance charge on a credit card is 6% of the balance on the card at the end of the month. If Beth ends a month with a $350 balance, what is the finance charge for the month?
$21
There are 140 mg of caffeine in a 12 oz cup of coffee. How many mg of caffeine are in 3 oz of the same coffee?
35 mg
What is 80% of 45?
36
Fractions → Percents
3/10
30%
Fractions → Percents
2/5
40%
Tyler works 40 hours each week. If he has worked 72% of his usual work week, how many hours does he have left?
11.2 hours
A school has 34 teachers and 952 students. How many students per teacher are there?
28 students
What is 130% of 90?
117
Decimals → Percents
0.38
38%
Decimals → Percents
0.2
20%
A city in Virginia averages 42 inches of rain each year. In 2016, the amount of rainfall was 140% the average. How many inches of rain fell that year?
58.8 inches
The prices of three bottles of ketchup are given below. Which bottle costs the least per ounce?
A 25-oz $4.00
B 21-oz $3.15
C 16-oz $2.88
B
What is 6% of 250
15
Percents → Decimals
56%
.56
Percents → Decimals
6%
0.06
A gas pump filled a 27-gallon tank in 6 minutes. How many minutes would it take to fill an 18-gallon tank?
4 minutes
Finn needs 8 bags of mulch for his flower bed. If he can spend a maximum of $30, what is the most he can pay per bag?
$3.75
What is 275% of 80
220
Percents → Fractions Simplified.
50%
1/2
Percents → Fractions Simplified.
75%
3/4
A catering service charges per person. If it costs $432 for a party of 48 people, how much will it cost for a party of 25 people?
$225