3/5 or 60% of the tank will be filled in an hour.
Rate of change is slope
So change in y/change in x
150/3=50
The first lot is (250 x 300) x 5 = 375,000
The second lot is (350 x 400) x 5 = 700,000
375,000 + 700,000 = $1,075,000
I'd say, 1 and 1/2 cup, if you split it in half.
To round 100.952 to the nearest tenth consider the hundredths’ value of 100.952, which is 5 and equal or more than 5. Therefore, the tenths value of 100.952 increases by 1 to 0.
100.952 rounded to the nearest tenth = 101.0