Week 18~Tuesday

Eight out of 10 dentists prefer whitening toothpaste. What is the ratio of dentists who do NOT prefer whitening toothpaste to those who do?

• 1:4

• 2:10

• 1:5

• 4:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Evren used 24 centimeters of tape to wrap 3 presents. How many presents would Evren be able to wrap with 112 centimeters of tape?

• 8

• 11

• 14

• 18

Tags

CCSS.4.MD.A.2

 A zoo has an elephant to giraffe ratio of 1 to 5. There are 18 total animals. How many are giraffes?

• 10 giraffes

• 15 giraffes

• 18 giraffes

• 20 giraffes

Solve:
6x + 9 - 16x = -21

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.7B

The sum of twice a number and 5 is at most 15. What are the possible values for the number?

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4B

Wwhat are the possible solutions to this inequality?

-x > 2

• -2.5

• -2.10

• 0.5

• 1

Tags

CCSS.6.EE.B.5

Games at the carnival cost $3 each. The prizes awarded to winners cost $145.65. How many games must be played to make at least $50?

• at least 32 games

• at least 31 games

• at least 65 games

• at least 66 games

It costs $15 to send 3 packages through a certain  shipping company. Consider the number of packages per dollar.

Which equation represents the relationship?

• y = 3/15

• y = 3x

• p = 1/5 d

• p = 5d

Tags

CCSS.HSF-LE.A.1B