Question

The sum of three consecutive multiples of 7 is 693. Find the multiples.

Answer 1

Answer:

Given:

Sum of 2 consecutive multiples of 7 is 693

To Find:

Numbers following above condition

Solution:

Let the two numbers be 7n and and 7(n+1) where n is a natural number.

Now, according to question

⇒ 7n+7(n+1)= 693

⇒ 7n+7n+7= 693

⇒ 14n+7= 693

⇒ 14n= 693-7

⇒ 14n= 686

Answer 2

Answer: Sum of 2 consecutive multiples of 7 is 693

To Find:

Numbers following above condition

Solution:

Let the two numbers be 7n and and 7(n+1) where n is a natural number.

Now, according to question

⇒ 7n+7(n+1)= 693

⇒ 7n+7n+7= 693

⇒ 14n+7= 693

⇒ 14n= 693-7

⇒ 14n= 686

Step-by-step explanation: