Question

1/4 of a cake he ate. what does it means??

It means in every 4 parts of cake 1 part he ate??
Am i right or wrong. Please explain me clearly.

About three-fourth of the Earth's surface is covered with water. What does this fraction 3/4 refers to??

Please explain me clearly.

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Answer 1

Step-by-step explanation:

ANSWER:-

Yes , you are right.

It says that if you divide the cake in 4 equal parts, then out of the 4 parts, one part is eaten by him.

About 3/4 of Earth surface is covered with water. Justify.

We know that every percent total is 100.

So if we multiply the fraction 3/4 × 25/25

This gives 70/100

I multiplied with 25 because out of 100 a number makes percentage.

Approximately 70% Earth is covered by Water.

This statement is justified by the sentence.

Note:-

• Fractions are the referred parts by total parts
• 70% of earth is covered with water
• 30 percent is covered with land
• 1 percent is fresh water out of which majority is in icebergs
• Rest is river or salt water.

Answer 2

Answer:

Case(2)

Given:

• $\bold{\dfrac{1}{4} \: of \: a \: cake \: he \: ate}$

Explanation:

• This means, A cake is divided into four parts and 1 part of the cake is eaten by him.

• To say clearly let the four parts be A, B, C, D. And 1 of the part A is eaten by him, this means $\bold{\dfrac{1}{4}}$ of the cake is eaten by him.

Case(2)

Given:

• Three-fourth of the Earth surface is covered with water.

Explanation:

• This means, our Earth is divided into four parts and in that four parts 3 part covers with water and 1 other is land.

• To say clearly, we know that 70℅ of our Earth is water in a whole 100℅ and 30℅ is the land (4 parts = ¾ = Water).

Still not understand? Or confused?Here is an easy Example:

Theres a apple, a apple is divided into 4 parts, there's a boy/girl, he/she has eaten 2 of the 4 part.

Explanation:

This means 4 parts $\bold{\dfrac{2}{4}}$ is eaten by him.