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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Step-by-step explanation:
6r + 7 = 13 + 7r
6r - 7r = 13 - 7
-1r = 6
r = 6/-1
r = -6
Step-by-step explanation: what is the question
Step-by-step explanation:
4x^2-7x=3
4x^2-7x-3=3-3
4x^2-7x-3=0
X1,2= -(-7)±√(-7)^2-4*4(-3)/2*4
x1,2= -(-7)±√97/2*4
X=7+√97 /8,X=7-√97 /8