He worked 5 hours the rest of the week.
5 × 5 =25 on Saturday / Sunday, plus 5 hours during the week = 30 hours
Step-by-step explanation:

To leave answer in positive exponents, just leave the answer inverse of the negative exponents.
100-20 round the last numbers so they have a 0 at the end so 4 or under is 0 and 5 or higher is 10 so 100 - 20 is 80
Complete the equation of variation where y varies inversely as x and y = 0.125
when x=8
Answer: 63.63
Step-by-step explanation: Hope this helps. G'day mate!