Question 8
A dozen nanica bananas cost the same as a dozen prata bananas. If y nanica bananas cost x reais, how many reais do z prata bananas cost?
Source defect: no printed option is generally correct. Give the correct price formula.
Printed choices: A. $xyz$; B. $\frac56xyz$; C. $\frac{6xz}{5y}$; D. $\frac{5yz}{6x}$; E. $\frac{6yz}{5x}$
Source defect: no printed option is generally correct. Give the correct price formula.
Printed choices: A. $xyz$; B. $\frac56xyz$; C. $\frac{6xz}{5y}$; D. $\frac{5yz}{6x}$; E. $\frac{6yz}{5x}$