Price discount

The original prices of a pen is 9 1/5 dollars. For any purchase of 5 pens, it needs only 7/10 of the original price. to buy 5 pens, how many Dollars should be spent?

Correct answer:

x =  32 15 = 161/5 USD

Step-by-step explanation:

a=951=9+51=59 5+1=546=9.2 USD n=5  x=107 n a=107 5 9.2=5161 USD=3251 USD=32.2 USD

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