Answer:
140
Step-by-step explanation:
=(-4+55+18)+(18+25+28)
=69+71
=140
The probability of winning a game of checkers against your friend is 67%.
<h3>What is the probability of winning a game of checkers against my friend?</h3>
Probability can be described as the process of determining the chances of an event happening. The chances that an event would occur has a value that lies between 0 and 1. A value of 0 is given when the event does not occur and a value of 1 if the event occurs.
The probability of winning a game of checkers = probability of winning both games / probability of winning a game of chess
20% / 30% = 67%
To learn more about probability, please check: brainly.com/question/26321175
Answer: It is a composite number since it has more factors than just itself and 1.
Step-by-step explanation:
1x20=20
2x10=20
4x5=20
First we need to know how many months is 2 years. To answer that we multiply the number of months in a year by 2 and get 48 months.
Every 3 months the population of turtles doubles, but to get how many times the population doubles, you need to divide 48 months by 3 to get 16.
So population of 400 will get <u>doubled</u> 16 times in the following <u>two</u> years.
We construct the following equation where
is the final population,

Hope this helps. :)