Monday December 16, 2024-Bundle 3 Review

• $330

• $255.75

• $198

• $247.50

A scientist used 786 millilters of a liquid for an experiment. How many liters of the liquid did the scientist use for this experiment?

• 786,000L

• 7.86L

• 0.786L

• 0.0786L

Yesterday 170 guests at a hotel called for room service and 255 guests did not call for room service. What percentage of guests at this hotel called for room service yesterday?

• 60%

• 15%

• 40%

• 85%

On Wednesday 72% of customers who bought gas at a gas station made additional purchases. There were 250 cusotmers who bought gas. How many of the customers made additional purchases?

• 72

• 180

• 70

• 250

Megan and Desmond each added the same amount of waterto their aquariums. Megan mixed 5mL of a chemical solution with every gallon of water for her aquarium. Desmond mixed 8mL of a 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 5mL is greater than 2mL

• Desmond used more solution per gallon of water than Megan because 58mL is greater than 5mL

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

The ratio of the number of boys to the number of girls in a choir is 5:4. There are 60 girls in the choir. How many boys are in the choir?

• 75

• 61

• 48

• 80