Question

One number is 7 times the other.Their sum is 80.Find the number.​

Answer 1

I think there will be 4 times not 7 times

Step-by-step explanation:

Let one number be x

The other is 4x

According to the question

Sum of the numbers =80

∴ x+4x=80

⇒ 5x=80

⇒ x=

5

80

⇒ x=16

The other number is 4x=4×16=64

Hence, the required numbers are 16 and 64

Answer 2

Answer:

let the first no. be x

then the other no. will be 7x

the sum of the no. is 80

so,

7x+x= 80

8x=80

x=80/8

x=10

hence the no. are 10 and 7x=7×10=70

hope it will help you

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