A customer buys 6 packages of nails and 7 packages of screws for $74.35. What is the price of a package of screws?

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?

What else equals 42 and 30 for multiply