Answer:
The estimated amount to be paid by ronaldo is $5.9895
Step-by-step explanation:
total amount spent on arcade = $18.15
percentage bill to be paid by ronaldo= 33%
To calculate the amount to be paid by ronaldo formula for percentage will be used
Formula which will be used is
Amount to be paid = (Percentage of ronaldo x Total amount spent)/ 100%
Amount to be paid by ronaldo is = 
= 
= 5.9895
So the estimated amount to be paid by ronaldo is $5.9895
Keywords: Calculation of percentage
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14.4/4 is 3.6. Therefore the answer is 3.6.
Answer:
(-1;-3)
Step-by-step explanation:

Answer:the answer is 5
Step-by-step explanation:Idk
For the last part, you have to find where
attains its maximum over
. We have

so that

with critical points at
such that





So either

or

where
is any integer. We get 8 solutions over the given interval with
from the first set of solutions,
from the set of solutions where
, and
from the set of solutions where
. They are approximately





