Divide the paper which is 21 inches (12+9) by 1.5 and you have your answer which is 14
The statement logically equivalent to the statement below will be
,,If today is Weekend,then it is not the Monday ."
Let
be the number of days spent at Tahoe and San Francisco, respectively.
We don't know the values of
and
yet, but we know that the holiday lasted 9 days:

We also know that each day spent in Tahoe costed 350 and each day spent in San Francisco costed 475. So, the total cost of the holiday is the sum of the number of days muliplied by their cost:

If we put the two equations together, we have the system

Which yields

Answer:
ok, $65+$50+$8=123
Step-by-step explanation: