4) U.S. cities hire about 17 police officers per 10,000 residents, for a 17/10,000 ratio. A new police chief wants to maintain that ratio. The city has 30,000 residents. How many police officers are needed? Check Show answer

What is the ratio of blue marbles to total marblesif you have 15 blue marbles, 10 red marbles, 12 green marbles and 8 purple marbles?

You can make grape juice by mixing 1 can of frozen grape juice concentrate with 3 cans of water. a. Make a ratio table that shows at least four other mixtures of grape juice concentrate and water in the same ratio. At least two of your mixtures should involve numbers that are not whole numbers. b. Explain how to interpret your table in part (a) from the multiple-batches perspective using a double (or triple) number line. c. Explain how to interpret your table from the variable-parts perspective using a strip diagram.

what is the solution to the proportion