Question

if 30 pens cost at 750 how many pens will cost 1000

Answer 1

40 pens are bought in RS 1000 ok

Answer 2

Hi mate,
Here is your answer,
The cost of 30 pens=750
let cost of x pens is =1000
Now we have find to x.
so,
$\frac{30}{x} = \frac{750}{1000}$
Then, now we cross multiply
750×x=1000×30
750x=30000
(by transportation )
$x = \frac{30000}{750}$
$x = 40$
This is your final answer.
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