Aride on the roller coaster costs 4 tickets while the boat ride only costs 3 tickets. michael went on the two rides a total of 10 times and spent a total of 37 tickets. a table titled ride tickets, showing times on the ride, tickets per ride, and total tickets. the first row shows roller coaster, with r, 4 and 4 r. the second row shows boat ride, with 10 minus r, 3, and 3 left parenthesis 10 minus r right-parenthesis. the third row shows, total, with 10, blank, and 37. which equation is true? r(10 – r) = 10 r + (10 – r) = 4 + 3 4r[3(10 – r)] = 37 4r + 3(10 – r) = 37