The lopez family had dinner at their favorite restaurant. a 6% sales tax was added to their bill. amy paid the bill with a $15 gift certificate plus $52.90. how much did the family's dinner cost before tax? round your answer to the nearest penny.

hint: use the equation p + rp = t,
where p is the price before tax, r is the sales tax rate, and t is the total price, including tax.
$ 63.83
$ 62.83
$ 64.06
$ 70.97

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.