 
 <translate> During one minute the metro sells 5 tickets, so they earn 5 * 3 = $15. So in 6 minutes they would earn 15 * 6 = $90.
Therefore, the answer is 90. <hau> A cikin minti daya jirgin karkashin kasa yana sayar da tikiti 5, saboda haka suna samun 5 * 3 = $ 15. Saboda haka a cikin minti 6 za su samu 15 * 6 = $90. Saboda haka, amsar ita ce 90. 