Relating Fractions and Percents
Write 30/200 as a PERCENT
15%
30% of 220 is what number?
A percent is a ratio that compares part to whole. What number does the whole represent?
100
In Mary's closet, there are 7 T-shirts, 4 pairs of shorts, and 3 sweatshirts. Write the ratio of sweatshirts to shorts.
3:4
Express as a unit rate: An athlete ran 150 m in 6 minutes.
25 for every 1 minute
Write 45% as a SIMPLIFIED FRACTION
9/20
20% of 50 is what number?
10
A unit rate is a rate with what number as the denominator?
1
A cougar can run 320 m in 20 s. What is the unit rate?
16 m per second
Write 24% as a SIMPLIFIED FRACTION
6/25
30% of what number is 60?
200
A proportion shows ratios that are _______?
equivalent
Simplifying the following ratio 36:40
9:10
Find the unit rate for 456 words in 6 minutes
76 words in 1 minute
In a parking lot, 9 out of 25 cars are hybrids. Express this number as a PERCENT.
36%
28% of 25 is what number?
7
What is the cross product rule?
Where the cross products in the proportion are equal. You multiply the numerator and the denominator across from each other. Both cross products are the same if the ratios are equal.
Complete the ratio table for A: See Mrs. Kuiper's Example
15
Sally bought 8 pencils for $2.00 and Johnny bought 12 pencils for $4.50. Who bought pencils for cheaper?
Sally ($0.25 verse $0.37)
Joanna received 12 of 25 votes for school council. She needed at least 50% of the votes to win. Did she make it? Yes or No?
No, she only had 48%
30% of 70 is what number?
21
When finding the better buy do you want the cheaper item or the more expensive item
cheaper
Complete the ratio table for B: See Mrs. Kuiper's example.
40
What is the difference between a ratio and rate?
A rate has different units.