80 with remainder 4.
Yes. It goes in 141 times.
Three times.
7 goes into 28 4 times
How many times does 5 go into 20 ?
78 times with a remainder of 4
141
4 times
54 ÷ 4 = 13 remainder 2
4
564 over 141 in lowest terms = 4/1 = 4
2, with 4 left over.