Bob bought some donuts weekend for a festival. Bob had 36 donuts after 15 minutes, and then 12 donuts after 23 minutes. Find the initial number of donuts Bob bought. (Hint - think
intercepts)

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have