It's easy.
145=2x-5
150=2x
x=75
Farmers may lose money if a drought destroys their crops. If a farmer's water supply is too low, the farmer may have to spend more money on irrigation or to drill new wells. Ranchers may have to spend more money on feed and water for their animals.
I bealive food, and carbon dioxide
Answer: contour lines.
Topographic maps are easily recognized by their contour lines.
