Question 130
Running at a speed of $10~\mathrm{km}/\mathrm{h}$, João completes a certain distance in 6 minutes. At what speed can he complete the same distance in 8 minutes?
(A) $7{,}5~\mathrm{km}/\mathrm{h}$
(B) $7{,}75~\mathrm{km}/\mathrm{h}$
(C) $8~\mathrm{km}/\mathrm{h}$
(D) $8{,}25~\mathrm{km}/\mathrm{h}$
(E) $8{,}5~\mathrm{km}/\mathrm{h}$
(A) $7{,}5~\mathrm{km}/\mathrm{h}$
(B) $7{,}75~\mathrm{km}/\mathrm{h}$
(C) $8~\mathrm{km}/\mathrm{h}$
(D) $8{,}25~\mathrm{km}/\mathrm{h}$
(E) $8{,}5~\mathrm{km}/\mathrm{h}$