Equivalent Ratios
Are these ratios proportional? If so, how do you know?
3:5 and 9: 15
Yes. The multiplier between the first ratios and second ratio is the same (3).
A B C A B B B C
What is the ratio of As to Bs?
2:4 or 1:2 (simplified)
3/8 = y/ 40
y = 15
Convert 4/5 to a decimal.
.8 or .80
What is 10% of 100?
10
Are these ratios equivalent?
4/5 and 28/34
No, the top multiplier is 7 and the bottom is less than 7
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What is the ratio of # to total symbols?
5:11
y/12 = 12/36
y = 4
Change 2/3 to a decimal and a percent.
What is 50% of 350?
175
Which set of ratios is proportional?
A) 18/24 and 6/8
B) 20/35 and 4/7
C) Both A and B
C - both are proportional
6 6 6 7 7 6 6 7 6 7 7 7 8 9
What is the ratio of total numbers to 6?
14: 6 or 7:3 (simplified)
15/y = 3/7
y = 35
Which fraction is equivalent to .375?
a) 1/8
b) 3/8
c) 3/4
b) 3/8
What is 25% of 200?
50
If it takes 3.5 cups of sugar to make 2 cakes, how much sugar would be needed to make 6 cakes?
10.5 or 10 1/2 cups
dog cat cat horse dog cat dog
What is the ratio of cats to dolphins?
3:0
9: 25 = 45: ______
125
Which fraction corresponds to 25%?
25/100 or 1/4
Which is larger? 40% of 60 OR 60% of 40
If Carsen can run one mile is 6.5 minutes, how many miles can he run in 26 minutes?
4 miles
# % # % # % # %
What is the ratio of # to %?
4:4 or 1:1
88/100 = 22/y
y = 25
Which fraction results in a larger percent? How much larger is it?
3/5 and 5/8
5/8 = .625 and it is .025 larger than 3/5 which is .60
What is 300% of 200?
600
because 100% of 200 = 200 and x 3- 100% = 600
OR 200 x 3.(decimal form of 300%) = 600