300,000+2,000+800+0+2=302,802
It equals 2 pounds hope this help buddy
Presume y=kx +b,then substitute (3,0)&(5,4),
When x=3,y=0,so 3k+b=0;
When x=5,y=4,so 5k+b=4;
Now u can know that k=2,b=-6.
The answer is:y=2x-6.
4x = 32 - 2x
Add -2x (or subtract 2x) from each side
2x = 32
Divide both sides by 2
x = 16
The weight of a plane with 81 gallons of fuel in the tank is about 44 tons
