Challenge Problem Review

Max can deliver approximately 75 pizzas in 2 hours. How many pizzas can 4 people deliver in 3 hours if they deliver them at the same rate that Max did?

• 150 pizzas

• 113 pizzas

• 450 pizzas

• 600 pizzas

Julia likes to put milk in her coffee. She has a carafe of coffee that has 4 cups of milk and coffee in it. The milk represents 20% of the mixture. A cup of pure coffee is added to this mixture. What percent of the new mixture is milk?

• 84%

• 16%

• 8%

• 32%

Find the 20th number in the sequence below:

-1, 2, 5, 8, 11...

• 53

• 14

• 44

• 56

1) If k x 3⁵ x 2⁴ = 12⁶,find k.

• 256

• 768

• 192

• 48

Andrew can run an average of 100 yards in 18 seconds. If he can maintain that pace, how many minutes would it take for him to run two miles? There are 1760 yards in 1 mile.

• 10.56 minutes

• 5.56 minutes

• 633.60 minutes

• 35.2 minutes

Jaiden and Jayden went to Brendan's Burger Joint for lunch. Jaiden bought 3 burgers and a drink for $18.55. Jayden was really hungry so he bought 7 burgers and a drink and paid $40.95. What was the cost for 1 drink?

• $5.60

• $1.50

• $1.75

• $3.50

Four times a number minus ten is the quotient of the number and two added to thirty-two.

• 12

• 18

• -18

• -9

If 3w + 7 = 28 and 5a - 9 = - 29, then what is the value of -3wa?

• 108

• -108

• -84

• 84

Find the value of n if

2(n + 1) + 3(4n - 5) - 6(7n + 8) - 9(10n - 11) + 60 = 12(13 - 14n) + 92

• -6

• 9

• 6

• 3

What single digit value of n will make the 7 digit number 1,295,n84 divisible by 9?

• 7

• 4

• 3

• 5