Unit 8 Quiz Pre-Alegbra

Mr. Marconi’s car can travel 120 miles on 3 gallons of gasoline. At this rate, how many miles can Mr. Marconi’s car travel on 4 gallons of gasoline?

• 40

• 160

• 140

• 60

Twenty percent of what number is 10?

• 50

• 2

• 20

What is the ratio of shaded to unshaded circles (there are 8 shaded and 2 unshaded)

• 2:10

• 2:8

• 8:2

Six boxes of pencils cost $6. If Jennie has $18, which proportion would she use to determine the number of boxes of pencils she can purchase?

• 18 boxes / $18

• 18 boxes / 6 boxes

• 6 boxes / $6

Based on the graph, which statement is true?

• When the volume of the sand is 5 cubic cm then the height of the sand is 20 cm.

• When the volume of the sand is 20 cubic cm then the height of the sand is 5 cm.

• When the volume of the sand is 4 cubic cm then the height of the sand is 20 cm.

• When the volume of the sand is 20 cubic cm then the height of the sand is 4 cm.

Four out of every 5 pattern blocks are triangles. If there are 15 triangles, how many pattern blocks are there in all?

• 18.75

• 15

• 12

• 20

Lisa has 18 pattern blocks. All of her pattern blocks are squares and triangles. If the ratio of triangles to squares is 2 to 4, how many square pattern blocks does Lisa have?

• 6

• 18

• 12

How much does 0.5 meters of the wire weigh?

• .5

• 1

• 1.5

• 2

How much does 1.8 meters of the wire weigh?

• .8

• 1.8

• 1

On Timmy’s farm there are a total of 60 cows and ducks. The ratio of cows to ducks is 4:6. How many cows are on Timmy’s farm?

• 24

• 36

• 10