Sheila collects toy cars. she has 4 sports cars for every 11 plain cars. she has a total of 45 cars. how many are sports cars?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?