179k views
0 votes
4/7 of a number is 84 . Find the number.

User Adubr
by
7.3k points

1 Answer

2 votes

Answer: 28

Explanation:

To find the number, we need to use the fact that 4/7 of a number is 84 to set up an equation that we can solve. Since 4/7 of a number is 84, we can write the following equation:

(4/7) * x = 84

To solve this equation, we need to first get rid of the fraction by multiplying both sides of the equation by 7/4:

(4/7) * x * (7/4) = 84 * (7/4)

This gives us the equation:

(4/7) * (7/4) * x = 84 * (7/4)

Since (4/7) * (7/4) = 1, we can simplify the equation as follows:

1 * x = 84 * (7/4)

We can then simplify the right side of the equation by multiplying the numerator and denominator of the fraction by 4:

1 * x = 84 * (7/4) = 84 * (28/28) = 28

Finally, we can solve for x by dividing both sides of the equation by 1:

1 * x / 1 = 28 / 1

This gives us the final equation:

x = 28

Therefore, the number is 28.

User Peter Nosko
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.