Iwill mark need the answer soon though cause im taking a test
which is enough information to prove that

the answer is 510

step-by-step explanation:

15 • 13 = 195

15 • 12 = 180

15 • 5 = 75

12 • 5 = 60

195 + 180 = 375

375 + 75 = 450

450 + 60 = 510

47

step-by-step explanation:

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

unless if u could do my questions, if not i wouldn't want to