<span>First we define Charlene's the average time, which is (8.4 + 8.6 + 8.3 + 8.5 + 8.7 + 8.5)/6 = 8.5. Normal time is 8.5/1.1 = 7.7. Charlene is faster than normal.</span>
Answer:
Take a look at the picture!
Answer:
1 last week= $1.69
1 this week= 4÷$5 = 0.8 cents
~You paid less for the bottle this week.
~You paid 0.89 cents less
