Andy puts $10.00 worth of gasoline in his motor scooter. if the price per gallon is $2.89, how many gallons did he buy?
2.89
3.46
28.9
34 6

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Y=21.95x+10 y=22.45x solve by substitution