6. Running consumes 700 calories per hour. About how many calories are used in 40 minutes of running?

467 calories (exact: 466.6666666)

Explanation:

You can set a up a proportion:

Since 700 is equal to 60 minutes, you can set 40 equal to the 60 and then multiply across and divide by the third number like this:

=

You would multiply 700 by 40 and then divide by 60.

the suction machine and tubing is the equipment that should be left behind and should be most easily accessible.