So, we know that 40 hours is $390 and 4 * 10 = 40, therefore, we just have to divide $390 by 4 to get $97.5, meaning that Zoe made $97.5 in 10 hours of work.
5 subtract 1 and one eighth is 3 and seven eighths
3 7/8
4 9/20 that is the mixed number of 4.45
59 is a "prime number". It has no factors except ' 1 ' and itself.
So the only possibility is 1 x 59 .