Determine whether these ratios form a proportion
11:8 and 9:3
No
Write this a percent as a decimal
83%
0.83
Find the Unit rate from a graph
(1,1/2) and (2,2/3) What is the unit rate?
1/3
Graph the ratio relationship
2:3
4:_
6:_
8:_
2:3
4:6
6:9
8:12
Find the percent error.
You estimate that there are 55 marbles in a jar. The actual amount is 63 marbles. Find the percent error. (Round to the nearest tenth if necessary.)
percent error=__%
12.7%
Convert the currency
Use the exchange rate 1 euro (EUR) to 1.21 U.S dollars (USD) to complete the statement. (round to nearest hundredth if necessary.)
90 EUR to ___ USD
108.90 USD
Find the unit rate
A person runs 1/3 mile in 1/24 hours
What is the person's speed?
8
Find the scale factor
The wingspan of a scale model airplane is 16 centimeters wide. The width of the actual wingspan is 64 meters. What is the scale factor of the model.
1/400
Find the unit rate from the graph
(1,1/2) and (2,1) What is the unit rate?
1/2
Identifying the constant of proportionality in a table
x:0.5,1,1.5,2
y:97,194,291,388
194
Find the part in this equation
what is 50% of 64?
32
Solve this proportion
10/y=2/11
55
Convert the measure between the systems. (round to nearest hundredth if necessary.)
11mi to __km
17.71
Convert the measure between systems. (round to nearest hundredth if necessary.)
35kg to __IB
77
Find the percent of decrease
Find the percent of decrease from 53 inches to 14 inches. Round to the nearest tenth of a percent if necessary
percent of decrease=___%
73.6%
Write this fraction as a percent
21/25=___%
84%
Find the Tax and Tip
Food Total:$28.50
Tax:$1.71
Subtotal:$30.21
the percent of the sale tax is ___%
You leave an 18% tip on the food total. What is the amount of the tip? $__
6%
$5.13
Find the percent error
You estimate that there are 68 marbles in a jar. The actual amount is 53 marbles. Find the percent error.(Round to the nearest tenth if necessary.)
percent error to ___%
28.3%
Find the unit rate from a graph
(1,1/2) and (4,2)
1/2
Sove the proportion
12/y=2/9
the solution is y=__
54
Find the Unit Rate
A person runs 1/14 miles in 1/8 hours
What is the person's speed?
7
Graph the ratio relationship
6:2
12:_
18:_
24:_
12:4
18:6
24:6
Solve the proportion
12/y=3/2
8
Tell whether x and y are proportional
y-x=0
yes
Identifying the constant of proportionality from a table
x:0.5,1,1.5,2
y:66,132,264
132