Question

I need help on my IXL

Answer 1

i dont know i didnt get it

i hope someone answered

Answer 2

Start:
348 + 580 = 928
348/928 = .375 x 100 = 37.5% with narrow shells
580/928 = .625 x 100 = 62.5% with round shells
End: 564 + 236 = 800
564/800 = .705 x 100 = 70.5% with narrow shells
236/800 = .295 x 100 = 29.5% with round shells