Ratios & Rates
Solving Proportions
Solving Percent Problems
Fraction/Decimal Percent
Percent of change
100
Write the ration as a faction in simpliest form and two other ways. 5 horses and 10 ducks
1to2 1/2 1:2
100
solve the porportion n 3 -- = -- 12 4
n=9
100
5 is what percent of 125 ?
4
100
write the fraction as a percent 4/5
80%
100
ell wherther the change is an increase or decrease. Then find the percent of change. original amount:20 new amount:16
decrease by 20%
200
write the Rate as a Unit Rate 114points/6games
19 points a game
200
solve the proportion . 2.1 27.3 ----- = ----- 0.9 Y
Y=11.7
200
write the decimal as a fraction or mix number. 1.86
43 1 ------ 50
200
write the fraction as a percent 27/50
54%
200
Find the new amount 105 is decreased by 78%
23.1
300
write the equivalent rate 32 ounces __ pounds ----------- = --------------- 1 serving 1 servings A. 3 B.7 C.9 D.2
D.2
300
solve the proportion. 68 51 ---- = ---- 12 p
p=9
300
use a percent proportion. 27 is what percent of 108?
25%
300
write the fraction as a percent 3/20
15%
300
tell whether the change is an increase or decrease then find the percent. 10 rabbits to 16 rabbits
increase 60%
400
write the ratio as a fraction in simplest form. 60/40
3/2
400
solve 12 x ---- = ---- 15 25 A.31 B.21 C.20 D.4
C.20
400
209 is 38% of what number?
550
400
order the numbers from least to greatest. 6.6% , 3/50 , 0.0606 , 0.6% , 0.606
0.6% , 3/50 , 0.0606 , 6.6% , 0.606
400
true or false? an increase from 1 to 3 is a 200% increase
false
500
whats the definition of unit rate
a rate that has a denominatior of 1
500
find the value of each variable. 1. 4/12=3/x=y/21
Y=7 X=9
500
Another way of saying 25 songs of 100 is to say 25 ___ of the songs
percent
500
If a fraction is greater than 1 , what do you know about the equivalent percent?
the percent is morer than 100
500
true or false? multiplying a number by 1/4 is a 25% decrease
false
M
e
n
u