It costs $140 to buy a cord of firewood, delivered to your house, and $80 to buy a half cord, delivered. assume that you pay a certain number of dollars per cord for the wood, plus a fixed number of dollars for delivery. how much do you pay per cord and how much for delivery?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

What are the excluded values? m+5/mn+3m