From the expression, the price is directly proportional to the boxes with k being the constant. therefore he bought 4 boxes for 25.6 having the initial constant to be 6.4
if he bought 10 boxes having a constant of 6.4 it becomes y=6.4*10 which becomes 64.
X = 6 and -6
if you need anything explained, please ask
Answer:
About 2,800 hours of sleep per year
Step-by-step explanation:
Sleep per day= 7 hours 45 minutes
7 hours 45 minutes=465 minutes
Sleep per day =465 minutes
Sleep per year=365 days × 465 minutes
=169,725 minutes
There are 60 minutes in one hour
Divide 169,725 by 60 minutes
We have,
169,725/60
=2828.7500000 hours
Total sleep in a year is about 2,800 hours
