1/3 + 3/7
save + fun + extra
(7/21 + 9/21) = 16/21 on save and fun
His heart beats 86,400 times within a 24 hour period.
60 minutes in 1 hour, so you would multiply 8 hours by 60 mins, giving you 480 mins. 24 hours- 8 (time he's asleep) will give you 16. 16 * 60 will give you 960 minutes. 480 minutes (when he's asleep) * 50 beats a minute = 24,000.
960 (when he's awake) * 65 beats a minute = 62,400. add 24,000 and 62,400 = 82,400 beats in 24 hours.
Step 1. (5+4-2)x(-2)
Step 2. (7)x(-2)
Step 3. -14
