It will be (7x+8)+(7x+8+7x=180
From the graph, see where the two lines cross. That is the correct answer. The answer is (4,-3.4)
for converting km to meters
1 km = 1000 m
5807 km = 1000 × 5807 m
= 5807000m ...
for converting cups to gallons
1 cup = 0.0625 gallons
2144 cups = 0.0625 × 2144 gallons
= 134 gallons
