They sold them with a 60$ markup
50$ + 60% = 80$
Cross mutiply and the answer would be 13/2 or 6.5
Answer:
The equation relating j to d can be written as:
If J = the amount of juice in fluid ounces and D = its diameter, then:
J=kD³ where k = the constant of proportionality.
The answer is D write the first 4 terms by inputting the previous value into.equation