We know,
1 MB = 1000 KB
513 MB = (1,000 * 513) KB
= 513,000 KB
Now,
1 KB = 1,000 bytes
513,000 KB = (1,000 * 513,000) bytes
= 513,000,000 bytes
∴ 513 MB is 513,000,000 bytes
I'm not sure of the answer, but I think it might be 3/4>5/8 because 3/4 is a greater amount than 5/8
Their mistake was doing run over rise so the correct equation should be y= -2/3x -4. I hope this helps
