Question

If 2/5 of number exeeds 2/7 of same number by 45 then find the number

Answer 1

393.75  is the number .

Step-by-step explanation:

let the no  be n

2/ 5 n - 2/7 n = 45

(14- 10 ) n  / 35  = 45

n = 45 * 35 / 4

  = 393.75 .

Answer 2

Answer:

$\boxed{\text{Answer: The number is 393.75}}$

Step-by-step explanation:

$\text{Let the number be x}\\\\\text{Given:}\\\\\frac{2x}{5} = \frac{2x}{7} + 45\\\\\frac{2x}{5} - \frac{2x}{7} = 45\\\\\frac{14x}{35} - \frac{10x}{35} = 45\\\\\frac{4x}{35} = 45\\\\x = \frac{\text{35 x 45}}{4}\\\\x = \frac{1575}{4}\\\\\boxed{\text{Answer: x = 393.75}}$

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