Answer: Three 15-yard penalties totals 45 yards lost.
Two 5-yard penalties totals another 10 yards lost.
So the team lost a grand total of 55 yards to penalties.
Step-by-step explanation: 3·15 = 45 now remember 45 then do the equation 2·5 = 10 now 45 + 10 = 55 and there is your answer