3 pens and 5 pencil cost Rs 14 . What will be the cost of 12 pens and 20 pencils
Answers
Answered by
16
The cost of 12 pens and 20 pencils is ₹56.
Answered by
26
Hey Ma8,
*********************
let the cost of pen be X and pencil be Y
given ,
3X + 5Y = 14 (equation 1)
TO FIND => 12X + 20Y = ?
------------------------------------------------------------------------
multiply 4 both side in equation 1
3X × 4 + 5Y × 4 = 14 × 4
12X + 20Y = 56
hence the cost of 3 pens and 5 pencil is 56
**************
i hope it is useful for you thanks mark me as a brainlist plzzz
*********************
let the cost of pen be X and pencil be Y
given ,
3X + 5Y = 14 (equation 1)
TO FIND => 12X + 20Y = ?
------------------------------------------------------------------------
multiply 4 both side in equation 1
3X × 4 + 5Y × 4 = 14 × 4
12X + 20Y = 56
hence the cost of 3 pens and 5 pencil is 56
**************
i hope it is useful for you thanks mark me as a brainlist plzzz
Anonymous:
wC
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