When five pens were bought together, the total price was reduced by three rupees and only seventeen rupees had to be paid. Had they been bought one by one, how much would have been the price of each pen?

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Solution

Let the price of one pen be Rs.x.

Number of pens bought = 5

Cost of five pens = 5 × Rs.x = Rs.5x

Amount paid for the five pens = Rs.17

Actual amount of the five pens = Rs (17 + 3) = Rs.20

∴ 5x = 20

⇒ x =

⇒ x = 4

Thus, the price of one pen is Rs.4.

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When five pens were bought together, the total price was reduced by three rupees and only seventeen rupees had to be paid. Had they been bought one by one, how much would have been the price of each pen?

Let the price of one pen be Rs.x. Number of pens bought = 5 Cost of five pens = 5 × Rs.x = Rs.5x Amount paid for the five pens = Rs.17 Actual amount of the five pens = Rs (17 + 3) = Rs.20 ∴ 5x = 20 ⇒ x = ⇒ x = 4 Thus, the price of one pen is Rs.4.

Let the price of one pen be Rs.x.

Number of pens bought = 5

Cost of five pens = 5 × Rs.x = Rs.5x

Amount paid for the five pens = Rs.17

Actual amount of the five pens = Rs (17 + 3) = Rs.20

∴ 5x = 20

⇒ x =

⇒ x = 4

Thus, the price of one pen is Rs.4.