Need help please mark went to a local restaurant for dinner. The price of his dinner was $20. mark gave the waiter $24 to cover the price of the dinner, plus the tax and trip. What percentage of the price of the dinner was for the tax and tip?

A.) 10%
B.) 20%
C.) 25%
D.) 120%

2-digit numbers less than 91 which are 1 less than a multiple of 10

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil