Anumber is multiplied by 4 then 7 is added to the product after subtracting 3 the result is 8. what is the number

What numbers are included in the set of integers? what numbers are not included?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62