James had $240 more than his brother, Sam, at first. After their mother gave James $30 and Sam $50, James had twice as much money as Sam. How much money did Sam have at first?

What is 4 times 75.6?

A local bowling alley charges you a total of $5 for the first two bowling games and $2 per each additional game. let y be the dependent variable representing the total bowling cost and x be the independent variable representing the number of games.

Darius buys a bottle of chemical solution that contains 70% alcohol the bottle contains 500 milliliters of solution how many milliliters of alcohol are in the solution

To have a batting averages of over 0.500, how many hits in 45 times at bat would Raul and Karen need?

Miriam's house has a market value of $125,000. The tax accessor evaluated her property tax rate to be 42%. What is the assessed value of Miriam's house? Use the formula: Assessed Value = Market Value x Rate.

What is the probability of choosing an ace or a black card? 6/13 7/13 8/13

Whats 21/8 as a mixed number

You bought a freezer that is 2 feet wide, 4 feet long and 30 inches deep

When is the greatest common factor of two numbers one of the two numbers? Explain your reasoning

Ashley read 12 books in 16 months. What was her rate of reading in books per month?