Ratios and Rates
Solve Proportions
Scaley Stuff
Decimals/Fractions/%
% Equation and Change
100
write as a fraction in simplest form: 15 vans out of 40 vehicles
3/8
100
7/x = 49/63
x = 9
100
if the scale is 1/2 inch = 4 feet, what is the actual length of a classroom drawn as 5 inches?
40 ft
100
write 0.42 as a percent
42%
100
What is 81 % of 134?
108.5
200
write as a fraction in simplest form: 8 red crayons out of 36 crayons
2/9
200
x/4.8 = 30.6/28.8
x = 5.1
200
if the scale is 1/2 inch = 4 feet, what is the actual length of a library drawn as 7.5 inches?
60 ft
200
write 11/33 as a percent to the nearest tenths place
33.3%
200
140 is what percent of 400?
35%
300
Write as a unit rate, don't forget the label! 343.8 miles on 9 gallons of gas
38.2 mi/gal
300
10/4.21 = 7/x
2.947
300
if the scale is 1/2 inch = 4 feet, what is the actual length of a gymnasium drawn as 12.2 inches?
97.6 ft
300
write 32% as a decimal and fraction in simplest form
0.32, 8/25
300
9.4 is 40% of what number?
23.5
400
Write as a unit rate, don't forget the label! $7.95 for 5 pounds of pumpkins
$1.60/lb
400
if 6 plums cost $1, how much do 10 plums cost?
$1.67
400
what is the scale of a map that shows Raleigh as being 10 inches away when it is actually 75 miles away?
1 inch = 7.5 miles
400
write 12/8 as a percent
150%
400
from 101.25 to 379.69
275% increase
500
Which costs more per notebook: a 4 pack of notebooks for $3.98 or 5 pack of notebooks for $4.99? Justify your answer with unit rates.
The 5 pack costs $0.998 per book while the 4 pack is only $0.995
500
if 10 greeting cards cost me $7.50, how many cards could I get for $18?
24 cards
500
a builder is creating a model of a pool measuring 51 feet in length. if he's using a scale of 1 inch = 6 feet, what is the length of the pool on the model?
8.5 inches
500
write 250% as a decimal and a fraction in simplest form
2.5, 5/2
500
from $250 to $200
60% decrease