50 questions

Simplify the ratio 16:24.

• 3:2

• 2:3

• 1:3

Solve for x: 3x + 4 = 19.

Find the value of x in the equation 2x - 5 = 7.

If the ratio of apples to oranges is 5:3 and there are 30 apples, how many oranges are there?

• 50

• 30

• 20

• 18

A recipe uses 3 parts water to 2 parts flour. How much water is needed if you use 8 cups of flour?

Solve for x: 5x - 3 = 2x + 9.

If the probability of rain tomorrow is 3/5, what is the probability that it will not rain?

• 1

• 2/5

• 5

How many significant figures are in 0.0067099?

John has 3 more than twice the number of books Sarah has. If Sarah has ( x ) books, write an equation for the number of books John has.

If 3 pens cost $4.50, how much do 5 pens cost?