Mark washes his jeans and finds that the $20 bill that was in his pocket is in four pieces. he takes the four pieces to the bank and receives a nice crisp $20 bill. what function of money does this illustrate?

measure of value

medium of exchange

divisibility

store of value

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Amap has a scale of 3.5 inches = 20 kilometers. if the distance between two cities on the map is 4.9 inches, what is the actual distance between the two cities?

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?