*Week 19~Wednesday

In a recent survey, 60% of those surveyed indicated that they preferred walking to running.

If 540 people preferred walking, how many people were surveyed?

How many people preferred running?

• about 11 surveyed; about 529 preferred running

• 324 surveyed; 216 preferred running

• 360 surveyed; 900 preferred running

• 900 surveyed; 360 preferred running

Which is greater: 

25% of 15 

15% of 25? 

Explain your reasoning using algebraic representations or visual models.

• 25% of 15 

• 15% of 25

• These percents are the same value so neither is greater.

What number is 𝟒𝟎% of 𝟗𝟎?

• 90

• 36

• 45

 Solve:

k/3 - 2k + 4 = 10

• -10

 Solve:

z/2 + 26 ≥ 17.5

Which numbers would be a possible solution to the inequality?

• -16

• -289

• -9

• 0

 Which inequality represents the graph shown on your homework sheet?

• x > 3

• x < 3

• x ≥ 3

• x ≤ 3

Write an inequality to represent the phrase:

The product of a number and 5 is at least 45.

Which numbers would be a possible solution to the inequality?

• 10

• -9

• 0

• 25

For which statement is the unit rate equal to 8?

• Lisa lost 8 lbs. in 8 weeks

• Yi drove 400mi in 8 hrs.

• 80 people in 10 rows at the movies

• There are 100 shirts in 8 drawers