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Question 4:
Fred is 42
years old and reads 3 books a week. Jim is 3 years
older and reads 5 books a week. Joan is 35 and
reads 18 books a month. The library contains 3792
books. How long is it before all the books could
have been read by someone?
See if you
can work out this one on your own as shown on the
two previous examples. If you don't know how to do
it click
here
for help.
Remember the
one we don't know anything about is the one we call
'x'.
Click on the answer below you
believe is the correct one
Answer to
question 4:
'A' - 4
years
'B'
-
5
years
'C' -
6
years
'D'
- 7
years
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