Given:
Teddy has two sisters. One of them is 3 years younger than Teddy, the other one is 7 years younger than her only brother.
To find:
The age of older sister at the time when the younger sister was born.
Solution:
Let the age of Teddy be x.
One sister is 3 years younger than Teddy.
Age of one sister = x-3 years
The other one is 7 years younger than her only brother. It means other sister is 7 years younger than Teddy.
Age of other sister = x-7 years
Clearly (x-3) > (x-7). So, difference between the ages of sisters is
Therefore, the age of older sister is 4 years when the younger sister was born.
Answer:
1/2 and 3/6
Step-by-step explanation:
They are simplified fractions of 6/12
6 is a half of 12 so it be 1/2 simplified and 3/6 is also equivalent because 6 divided by 2 is 3 and 12 divided by 2 is 6 so when you put them together it's 3/6
The population density of Romania in 1997 given its area and the population is 95 people per square km.
<h3>What is the population density?</h3>
Population density is the number of people that live in a square kilometer of an area. It is determined by dividing total population by total area.
Population density = population / area
22.600,000 / 237301 = 95 people per square km
To learn more about population density, please check:
brainly.com/question/3704320
#SPJ1
Answer:
write me so I can do a virtual classrom and answer all problems
Answer:
36
Step-by-step explanation:
First you multiply 2 by 16.Then divide 16 by 4 because is the denominater. Then add 32(your 16 that you multiplied by 2)and add it by 4(the answer you got when you divided)and the answer is 34