you have 75 coins, all of which are dimes and half dollars. if you have $22.30 in change, how many of each coin do you have? (solve using substitution)

A grocery store has fruit on sale - 5 bananas for $1.50, 4 mangos for $5.00, and 3 oranges for $4.00. Mrs. Kang buys 15 bananas, 12 mangos, and 12 oranges. How much money does she spend?

In a certain small town, 3 professional burglars are currently out of prison: Alex, Becky, and Carl. Alex has in the past committed 55% of the burglaries committed by the three, Becky 31%, and Carl the rest.

In complete sentences, explain whether or not it makes sense to say that the density of helium is 0.1785 kilograms per square meter.

Write a quadratic function f whose zeros are 4 and - 5

A baseball team played 147 regular season games. The ratio of the number of games they won to the number of games they lost was 3/4. How many games did they win? How many games did they lose?

What is three - 3 2/3

Jorge and Mary are both filling cups with fruit punch in preparation for a party. After 3 minutes, Jorge had 53 cups left to be filled, and after 5 minutes, he had 25 cups left to be filled. Mary's progress is shown in the table of values below.

Suppose the temperature at 6pm was 30 f. What would the temperature have been

What is the number of rolls of paper used per wall

If 2x-4 = - x+5, then find the value of x