A shopkeeper sells notebooks at rs. 15 each or a packet of 5 for rs.65. How much will it cost to but 12 notebooks?expain
a)160 b)172
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Cost of notebooks is depends upon how he buys in form of single or packets
If he buys 2 packets and 2 notebooks
then cost = 65 × 2 + 2 × 15
= 130 + 30
= 160
so cost = Rs 160
If he buys 2 packets and 2 notebooks
then cost = 65 × 2 + 2 × 15
= 130 + 30
= 160
so cost = Rs 160
imnehaguptasp3gqaf:
160 is the right ans !!
if one pack of notebooks contains 5 notebook and each pack cost for 65
so therefore for the 12 notebooks 65*2+15*2=130
160*
why to multiple by 2
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