True/False
These ratios are proportional.
3/4=15/19
False. These are not proportional.
x/5=5/25
x=1
10 in converted to cm
*1 in = 2.54 cm
25.4 cm
Elisa bought one bunch of asparagus for $2. How many bunches could she buy with $12?
6 Bunches
Find the distance between Milton and Centerville if they are 8 cm apart on a maple with a scale of 1 cm: 13 km.
The following ratios are proportional.
12/16=15/20
True! These ratios are proportional.
38/45=76/g
g=90
2 liters in gallons
*1 liter = 0.454 gallons
0.908 gallons
Asanji took a trip to Jordan. Upon leaving he decided to convert all of his Dinars back into dollars. How many dollars did he receive if he exchanged 15 Dinars at a rate of 3 Dinars for every $4?
$20
Greenwood and Victoria are 72 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 12 km?
6 cm
3/8 and 8/3
Gomez claims that the ratios are proportional because they are inverses.
False, their cross-products are not equal.
12/b=8/10
b=15
242 lbs in kg
*1 kg = 2.2 lbs
110 kg
Jenny enlarged the size of a frame to a height of 6in. What is the new width if it was originally 3in tall and 4 in wide?
8 in
A 4 ft tall baby elephant standing next to a man casts a 6 ft shadow. If the man casts a shadow that is 9 ft long, then how tall is he?
6 ft
The following ratios are proportional.
(2x+2)/6=(x+1)/3
True, their cross-products are equal.
(x-2)/3=1/x
x=3
26.2 miles in km
*0.62 miles = 1 km
42.3 km
Hugh reduced the size of a rectangle to a height of 6.8 in. What is the new width if it was originally 3.3 in wide and 20.4 in tall?
1.1 in
A model train has a scale of 4 in : 3 ft. If the model train is 36 in tall, then how tall is the real train?
27 ft
The following ratios are proportional.
(2f+3f+1)/3=(5f+1)/(6*0.5)
True, the ratios are proportional.
(x+x)/1=(8x)/4
x=1
1270 cm to inches.
*1 in = 2.54 cm
500 in
A triangle is 4.5 cm tall and 2.5 cm wide. If it is enlarged to a height of 18 cm, then how wide will it be?
10 cm
A particular house is 26 m tall. A model of it was built with a scale of 3 cm : 2 m. How tall is the model?
39 cm