The Political Pollster Canter Is Preparing for a National Election

Short Answer

The political pollster Canter is preparing for a national election. It would like to poll at least 900 Democrats and 900 Republicans. Each mailing to the East Coast gets responses from 100 Democrats and 50 Republicans. Each mailing to the Midwest gets responses from 100 Democrats and 100 Republicans. And each mailing to the West Coast gets responses from 50 Democrats and 100 Republicans. Mailings to the East Coast cost $40 each to produce and mail, mailings to the Midwest cost $60 each, and mailings to the West Coast cost $50 each. How many mailings should Canter send to each area of the country to get the responses it needs at the least possible cost

__________ mailings to the East Coast, none to the Midwest, and __________ to the West Coast.

Another solution resulting in the same cost is no mailings to the East Coast, __________ to the Midwest, and none to the West Coast.

What will it cost

$__________