Equivalent Ratios
Are these ratios equivalent? 2:4 and 4:8
Yes
4 apples cost $8.
What is the cost per apple?
$2.00
What is 3/8 as a decimal?
0.375
What is 10% of 50?
5
A store had 50 pencils. They now have 60 pencils.
What is the percent increase?
20%
3:5 = 24:___
30
A car travels 150 km in 3 hours.
What is the unit rate in km per hour?
50 km/h
What is 35% as a fraction in lowest terms?
35/100 = 7/20
Find 25% of 80
20
A shirt originally costs $40. The price increased to $50.
What is the percent increase?
25%
What would be the next ratio:
4:6 = 8:12 = 16:24 = 32:___
48
12 notebooks cost $30.
What is the cost per notebook?
$2.50
What is 4/9 as a percentage?
0.44
What is 15% of 200?
30
A video game was $60 but is now on sale for $45.
What is the percent decrease?
25%
A recipe uses a ratio of 2 cups of flour to 3 cups of sugar.
If you use 10 cups of flour, how many cups of sugar do you need to keep the ratio equivalent?
15
A runner travels 2.5 km in 10 minutes.
What is the unit rate in km per minute?
0.25 km/min
What is 2.5% as a fraction in lowest terms?
25/1000 = 1/40
A jacket costs $120. It is on sale for 30% off.
How much is the discount?
36
Last year, a school had 800 students. This year, it has 920 students.
What is the percent increase in student enrollment?
15%
7:9 = 56: ___
72
A store sells 18 granola bars for $7.20.
If you bought 25 bars at the same rate, how much would it cost?
$10.00
What is 125% as a decimal and a fraction in lowest terms?
1.25
125/100 = 1 25/100 = 1 1/4
A student scored 84% on a test with 75 questions.
How many questions did the student answer correctly?
63
A car was originally priced at $18,000. It is now being sold for $15,300.
What is the percent decrease in price?
15%