In 1900, there was an olympic underwater swimming event. the score was calculated by giving one point for each second the swimmer stayed under water and two points for each meter that the swimmer traveled. charles de vendeville from france earned a gold medal by staying under water 68.4 seconds while traveling 60.2 meters. how many points did charles de vendeville earn to place first? express the answer to the nearest tenth of a point.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.