Choose the correct answer.
The perimeter of a scalene triangle is 14.5 cm. The
longest side is twice that of the shortest side. Which
equation can be used to find the side lengths if the
longest side measures 6.2 cm?
6.2 + b = 14.5
9.3+ b = 14.5
12.4+b=14.5
18.6+b=14.5
2a