Question

the sum of two numbers is 70 one number is 2 and a half times the other number find the number​

Answer 1

Answer:

$let \: one \: number \: = \: x \\ other \: number \: = \: \frac{3x}{2} \\ x + \frac{3x}{2} =70 \\ \frac{5x}{2} = 70 \\ 5x = 140 \\ x = 28$

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Answer 2

Step-by-step explanation:

let number be"x"....x+x+2=70 one number be 2......So 70=x+2...×=70-2=68.so ×=68