6.4B/6.10A

Megan and Desmond each added the same amount of water to their aquariums. Megan mixed 5 ml of a chemical solution with every gallon of water for her aquarium. Desmond mixed 8 ml of the chemical solution with every 2 gallons of water for his aquarium.

Which of these statements is true?

• Megan used more solution per gallon of water than Desmond because 5:1 is greater than 8:2

• Megan used more solution per gallon of water than Desmond because 5 ml is greater than 2 ml

• Desmond used more solution per gallon of water than Megan because 8 ml is greater than 5 ml

• Desmond used more solution per gallon of water than Megan because 8:2 is greater than 5:1

In Austin, Texas, 8 bats ate 40 grams of insects in one night. At this rate, how many grams of insects could 64 bats eat in one night?

• 12.8

• 320

• 300

• 400

A barrel contained 60 gallons of water. Water leaked out of the barrel at a rate of 5 gallons every 3 days.

At this rate, how many days did it take for all 60 gallons of water to leak out of the barrel?

• 20 Days

• 12 Days

• 100 Days

• 36 Days

Aiden asked a group of students to choose their favorite type of music from the choices of rock, hip hop, and country. The results of the survey are shown in the graph.

Based on the graph, how many students in a class of 360 students would be expected to choose hip hop or rock as their favorite type of music?

• 240

• 80

• 60

• 180

A window washer cleaned 38 windows in 2 hours. At this rate, how many windows did he clean in 7 hours?

• 10.86

• 722

• 133

• 150

What value of x makes this equation true?

-90 = -100 + x

• -10

• 10

• -190

• 190

Saritha will construct a rectangle that has a height of 4 units and an area of up to 48 square units. Which inequality represents all the possible lengths in units of the bases, b, that Saritha can use to construct this rectangle?

• b ≤ 44

• b ≥ 52

• b ≤ 12

• b ≥ 192

Holly bought a magazine subscription for a year. She paid $27. Holly wanted to find the price, p, of the subscription each month. She created the model shown to help find this price. What was the price of the subscription each month?

• $39.00

• $2.25

• $324.00

• $22.50

A student needs to collect at least 10 flowers for a science project. The student has already collected 3 flowers. The inequality shown can be used to find n, the number of flowers the student still needs.

n + 3 ≥ 10

• n ≤ 13

• n ≥ 13

• n ≤ 7

• n ≥ 7

The sum of the measures of two angles is 183.6. One angle has a measure of 54. What is m, the measure in degrees of the second angle?

• m = 129.6

• m = 3.4

• m = 9,914.4

• m = 237.6