Subtract1/3 - (- 1/2) A-- - 1/6. B--0. C-- 1/6. D-- 1/2 Subtract -

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Me. i can't figure out this question. give an explanation too. .