Please solve. To do problem. MULTIPLY both side numbers to get the top answer and ADD the two side numbers to get the bottom answer.

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi