Find the area of the shape

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

What are the values of each variable in the diagram below?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?