Sorry if i'm bothering you! but can you guys figure out this problem for me? "a car travels at 65 miles per hour. going through construction, it travels 3/5 this speed. write this fraction as a decimal and find the speed. , -laura b.

Arectangular lawn is 14m long and 10m wide. a strip of uniform width is mowed around the outside of the lawn. how wide is the strip when the area of the unmowed portion of the lawn is 12m². (the answer is 4m, but i need to know how to solve it)