20 lbs of bananas cost $100. How many lbs of bananas can you get with $85 ?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.