Solve the following proportion.
5 = 9
_____ _____
10 x
x = 18
100
Which is cheaper...bulk pasta at 15 Euros for 10 kg or packaged pasta for 3.98 Euros for 2 kg?
The bulk pasta is cheaper because it costs 1.50 Euros per kg versus the packaged pasta at 1.99 Euros per kg.
100
The scale on a map of France is 1 cm = 35 km. The distance between Paris and Tours is 4 cm. What is the actual distance?
140 km.
100
On a coordinate plane, a line that goes up from left to right has a ________ slope? (positive or negative?
Positive
200
Solve the proportion:
12 4
____ = ______
30 x
x = 10
200
At an aquarium, the ratio of rockhopper penguins to Aftican penguins is 3 to 7. If there are 50 penguins, how many are rockhopper penguins?
15
200
Which animal runs faster...a cheetah who runs 1500 meters in 150 seconds or a puma who runs 1200 meters in 100 seconds?
The cheetah runs 10 meters per second, the puma runs 12 meters per second.
200
The scale of Mr. Ingraham's Volkswagen Beetle model is 1inch to 22 inches on the real car. If the car measures 6.5 inches in length, how long is the real car?
143 inches, or 11 feet, 11 inches.
200
What is the slope of the line that Mr. Ingraham has passed out to you?
Up positive 2, over positive 3 .....which is 2/3
300
Solve the proportion:
2x 8
_____ = ____
9 36
x = 2
300
A person who weighs 105 pounds on earth, would weigh 17.5 pounds on the moon. How much would a 60 pound dog weigh on the moon?
10 pounds
300
Which plants grows faster, the kudzu plant which grows 6 inches in 12 hours or the bamboo which grows 4 inches in 10 hours?
The kudzu plant grows 1/2 inch in one hour. The bamboo grows 2/5 of an inch in one hour.
300
You decide to use a scale of 1 inch : 8 feet to make a scale drawing of your classroom. If the actual length of your classroom is 36 feet, what should the lenght of the classroom be?
A) 1 inch B) 4.5 inches C) 36 inches D) 288 inches
B
300
What is the slope of the line that Mr. Ingraham has just passed out to you?
In John Roth's tennis class, the ratio of boys to girls is 5 to 8. If there are 39 total students, how many are girls?
24 girls
400
Who has the faster metabolism, Julia with a pulse rate of 24 beats in 10 seconds or Miel with a pulse rate of 20 beats in 8 seconds?
Miel's pulse rate is 2.5 beats per second, Julia's is 2.4 beats per second.
400
A child's picnic table is a scale model of an adult picnic table. The child's picnic table is 22 inches tall, and the adult picnic table is 33 inches tall. What is the model's scale?
A) 1 : 22 B) 1 :15 C) 1 : 1.5 D) 1:1
C
400
On the coordinate plane that Mr. Ingraham has just given you, draw a line (using a ruler!) that has a slope of 1/3.
That means up positive one and over positive 3.
500
Solve the proportion:
-3 21
____ = _____
6 x
x = -42
500
A person blinks about 360 times in 30 minutes. About how many times does a person blink in 9 minutes?
108 times.
500
Which car gets better gas mileage...John's Ferrari that drove 200 miles on a 12 gallon tank or Baziles Mercedes that drove 300 miles on 15 gallons of gas?
John's car got 16.67 miles per gallon while Bazile's car got 20 miles per gallon.
500
The scale used to build the scale model of airplanes is 1 : 72. What is the wingspan of a 747 Jumbo Jet in real life if the model's wingspan is 82.8 cm?
59.6 meters
500
On your coordinate plane, draw a horizontal line. What is the slope?