The number of tourists at the beach per weekend in july was 55,000, in november, the number of tourists per weekend was 18,000. find the percent of change from july to november

Need on this geometry question. explain how you did it.

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?