Question

number is 2.5 times another number if their sum is 70 find the number​

Answer 1

Answer:

20 & 50

Step-by-step explanation:

let the first number be x

the second number will be 2.5x

sum of the numbers is 70

$x + 2.5x = 70 \\ 3.5x = 70 \\ x = \frac{70}{3.5} \\ x = 20 \\ first \: number \: = x = 20 \\ second \: number \: = 2.5x = 2.5 \times 20 = 50$

therefore the numbers are 20 and 50

hope you get your answer

Answer 2

Step-by-step explanation:

Let's assume :

x be the unknown number

according to question,

2.5 x will. be next number

According to given condition =>

$2.5x + x = 70 \\ 3.5x = 70 \\ x = \frac{700}{35} \\ x = 20$

So, next number will be =>

$2.5x = 2.5 \times 20 = 50$