Question

One student surveys the number of pens which are sold in two stationary shops.The pens of both shops are sold in a week.In the first shop 60 pens are sold in the first day and 6 pens are sold more in everyday as comparison of previous day.Similarly in the second shop 5 pens are sold in the first day and the double number of pens are sold in everyday as comparison of previous day.Now in which shop how manv nens are sold more? Find it.Ans: 89 more in second shop​

Answer 1

89 more pens sold in the 2nd shop

Explanation:

You want the difference in pens sold between two shops. The first shop sells 60 the first day, and 6 more than the previous day for each day of a week. The second shop sells 5 the first day, and double the previous day for each day of a week.

Sold

The number of pens sold in the first shop for the week is ...

60 +66 +72 +78 +84 +90 +96 = 546

The number of pens sold in the second shop for the week is ...

5 +10 +20 +40 +80 +160 +320 = 635

This is 635 -546 = 89 more pens than the first shop.

The second shop sells 89 more pens in the week than the first shop.

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