Noelle used 17 lemons to make lemonade. This was 85% of all the lemons she bought. How many lemons did Noelle buy? *

Hel please I have 30 more minutes

20 lemons

Step-by-step explanation:

Let the number of lemons = 'x'

85% of x = 17

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.