Question

If 30 pens cost 750, how many pens will cost 1000? use unitary method​

Answer 1

Answer:

40

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Answer 2

Step-by-step explanation:

$cost \: of \: 30 \: pen \: = 750 \\ cost \: of \: one \: pen = \frac{750}{30} = 25 \\ no \: of \: pens \: which \: can \: be \: bought \: by \: 1000\\ \: rupees = \frac{1000}{25} = 40$

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