Acollection of 31 nickels and dimes has a value of 2.65. how many nickels and how many dimes are there?

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

How to use order of operation in 20 divide by 4 multiply 5 = 1