Ascientist used 2 gallons of liquid for every 3 hours he worked. he uses of a gallon each house each hour he works

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?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers