Countdown 3

The forecasted maximum wind speeds, in miles per hour,

for the next five days are 13, 6, 10, 5 and 8.

What is the range of the wind speeds, in miles per hour?

If a snack-size tin of peaches has 40 calories

and is 2% of a person’s daily caloric requirement,

how many calories fulfill a person’s daily caloric requirement?

• 80

• 8,000

• 200

• 2,000

If Ellen chooses a day of the week at random,

what is the probability that its English spelling

uses the letter “n”?

• 3/7
• 2/7
• 1/7
• 5/7

A catalogue sells pencils two ways:

(1) 50 cents each and

(2) $2 per pack of 12.

What is the least expensive purchase price for exactly 30 pencils?

What is the median of 25.0, 24.3, 23.8, 24.1 and 23.4?

• 24.1
• 22.5
• 25.0
• 23.8

The product of three consecutive integers is 720.

What is the largest of these integers?

What is the greatest possible area, in square units,

of a rectangle with a perimeter of 16 units?

What is 20% of 50% of 80?

• 100
• 40
• 60
• 8

A triangle has side lengths of 3, 4 and 5 units.

What is the area of the triangle, in square units?

• 6
• 10
• 12
• 8

At what point does the line containing the

points (-2, 3) and (2, 7) intersect the y-axis?

Express your answer as an ordered pair.