Question

Three-fifths of a number decreased by 2 gives 40. Find the number.

Answer 1

Answer:

Answer is 70

Step-by-step explanation:

Let the number be 'X'

given,

[(3/5) * X] - 2  = 40

3*X/5 = 42

3*X = 5*42 = 210

X = 21-/3 = 70

Hence the number is 70

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Answer 2

Step-by-step explanation:

$( \frac{3}{5} \times x) - 2 = 40 \\ (\frac{3x}{5} - 2) = 40$

$2 - \frac{3 x}{5} = 40 \\ \frac{10 - 3x}{5} = 40$

$\frac{7x}{5} = 40 \\ 7x = 40 \times 5 \\ 7x = 200$

$x = \frac{200}{7} \\ x = 28.5$