The book is 540 pgs.....she has read 405....that leaves (540 - 405) = 135 pgs left to read.
135 / 540 = 0.25 = 25% <== what she has left to read
Answer:

Step-by-step explanation:
Please see the attached picture for the full solution.
Answer:
270 miles
Step-by-step explanation:
We know the formula for distance
d = rt where r is the rate and t is the time
d = 90 mph * 3 hours
d = 270 miles
Answer:
Total cost = Cost per month × 12 months per year × Number of years
= $21 × 12 × 8
= $2,016
Step-by-step explanation: