If the ratio of boys to girls on a school bus is three (3) to five (5), and there are nine (9) boys on the bus, what is the total number of students on the bus?

The spinner below is divided into 5 equal sections. What is the probability of landing on a red or green section?

Suppose you invest $580 at 10% compounded continuously, write an exponential function to model the amount in your investment account?

The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). One cup of milk contains 299 mg of calcium and one cup of juice contains 261 mg of calcium.

I am a prime number greater than 40 and less than 90. My units digit and my tens digit are both prime. The difference between my units digit and tens digit is not 2. What number am i?

Sarah cut off 1/8 of a 48-inch piece of ribbon. Jane cut off 1/9 of a 36-inch piece of ribbon. Whose piece is longer? How much longer?

Which will give me more yellow 3 parts red to 5 parts yellow or 4 parts red to 6 parts yellow

What does it mean if two different ratios describe the same situation

What is the quotient of 8 and twice a number?

What is the radian measure in terms of pi for 260 degrees?

What is the greatest common factor for 72 and 18