Read the given statements and write the algebraic expression for the following - ( 9a and 9b)
9a) Manu is drawing a dot rangoli .She has 12 dots in a row.How many dots will her rangoli have for r rows? .
12 + r
12 / r
12 r
r / 12
9b) Meera brought x packs of trading cards that contain 8 cards each . She gave away 5 cards to her friend.Write the expression for number of cards left with her . *
8-5x
5x-8
5-8x
8x-5
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Answer:
9a. 12/r is the right answer
9b. 8x - 5 ( not sure)
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