A hotel that has 80 rooms can rent all of them if the rental price per day is $300, but it has noticed that for each $6 of increase in the rental price, it would have an empty room. Determine: a) The rental price of room in order to get a maximum income.

b) Amount of maximum income.

c) The number of rooms that would be empty when the income is maximum.

could you reply to this with the question so i can ?

it is 10.6 according to my calculations

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true