UNIT 4 REVIEW

Henry is an avid reader. He devours 90 pages in half an hour. How many pages has Henry read per minute?

• 4 pages per minute

• 3 pages per minute

• 2 pages per minute

• 5 pages per minute

A printer cartridge with 2 1/2 milliliters of ink will print off 2/3 of a box of paper. How many milliliters of ink will take to print an entire box?

• 2 1/4 milliliters

• 5 1/4 milliliters

• 1 1/2 milliliters

• 3 3/4 milliliters

Is this proportional?

• Yes

• No

What is the constant of proportionality?

• 3/1 or 3

• 2/1 or 2

• 1/2

• 1/4

The tuition at a college increased from $50,000 in 2006 to $59,000 in 2007. What is the percent increase in tuition? Remember it is the new value - old value/old value

• 19%

• 22%

• 17%

• 18%

A watch was on sale for 70% off. The sale price is $60. What was the original price?

• $100

• $200

• $300

• $400

2y = 12x

Identify the constant of proportionality in the equation?

• -6

• 6

• -1/6

• 1/6

John is driving from Dallas to Corpus Christi. If he drives at 75 mph and gets there in 5.5 hours, how many miles is that?

• 400 miles

• 400.5 miles

• 412.5 miles

• 410.5 miles

Is this proportional?

(1,2), (3,6), (9,18), (5,10)

• Yes

• No

If it is a straight line but not through the origin, is that a proportional relationship?

• Yes

• No