The davis family pays $200,000 for any wells. they make a down payment that is one tenth of the price of the house. how much is the down payment?

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?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?