Answer:
20
Step-by-step explanation:
(6x3=18) (6x1/3=2) (18+2=20)
To solve the problem related to mean solar time where it varies continuously as a traveler's longitude changes, scientists divided the earth into 24 time zones (adding other partial zones to it). All the countries in each time zones had to keep the mean standard time assigned to it.
<h3>What is Mean Standard Time?</h3>
This is the time that is measured by synchronizing clocks in different geographical locations within the same time zone to the same time.
See the link below for more about Mean Solar Time:
brainly.com/question/26063957
Answer:
17
Step-by-step explanation:
Find the discount
discount = original price * 15%
= 20*.15 =3
Subtract the discount from the original price
20-3 = 17
The sale price is 17