A culture of yeast doubles in size every four hours. If the yeast population is estimated to be three million now, what will it be one day from now? A. 96,000,000 B. 192,000,000 C. 259.000,000 D. 384,000,000

How do you divide 56$ in a ratio of 5:3? What would be the answer?

Mitch does not know the correct answer to two multiple choice questions. The choices are A, B, C, and D. If Mitch just guesses, what is the probability that Mitch will guess both answers correctly?

A group of 5 friends decide to set up a lemonade stand. They sell 48 cups of lemonade for $1.35 each. If they split the amount of money they made evenly, how much does each friend take home? 1. $0.27 2. $0.34 3. $12.96 4. $16.20

Two gongs strike at intervals of 24 and 40minutes respectively. At twist time will they strike together again if they start simultaneously at 12 noon? Hint: 60 minutes = 1 hour

Which of the following best describe when you need to borrow during subtracting

Matthew collects purple and red marbles. he has 320 marbles and 65% of them are purple. How many red marbles does he have?

Multiply the complex numbers. (5+1i) (-3+2i)

Joe owns and apple orchard with 20 apple trees. Each year he will plant 7 more. Write and explicit formula for the number of apple trees in the orchard.

How to decompose 1 1/4

Mike's sister is away at college, and he wants to mail her a 34 in. Softball bat. The packing service sells only one kind of box, which measures 24 in. By 20 in. By 12 in. Will the box be big enough? About how long of a bat can the box fit?