Is 1/40 grater than or less then 4%?

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?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Which of the following is the result of expanding