Answer:

Step-by-step explanation:
we have

we know that


substitute

therefore
The 2014 population of West Palm Beach in scientific notation is equal to

The sum of 0.423 and 4.7 is 5.123
He can make 25 scarves from 15 balls of yarn.
Step-by-step explanation:
Given,
Yarn used for one scarf =
of a ball
Yarn purchased = 15 balls
Let,
x be the number of scarves.
Yarn used for one scarf*number of scarves = Yarn purchased

Multiplying both sides by 

He can make 25 scarves from 15 balls of yarn.
Keywords: fraction, multiplication
Learn more about fractions at:
#LearnwithBrainly
Answer:
Step-by-step explanation:
20% of 300= 60
300-60 = 240
last week, 240 tickets were sold :))
Answer:
Number of years between 1950 and 2100 =

150 = 50 + 50 + 50 years.

So, total population in 2100 is 375,000,000.