The cost of 2 Red balls and 5 Blue balls on a day was found to be Rs. 160. Then find the correct expression for this situation.

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Solution

Let the cost of 1 Red ball be 'r'

Let the cost of 1 Blue ball be 'b' $[1 m a r k]$

So, the algebraic expression will be 2r + 5b = 160 $[1 m a r k]$

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The cost of 2 Red balls and 5 Blue balls on a day was found to be Rs. 160. Then find the correct expression for this situation.

Let the cost of 1 Red ball be 'r' Let the cost of 1 Blue ball be 'b' [1 mark] So, the algebraic expression will be 2r + 5b = 160 [1 mark]

Let the cost of 1 Red ball be 'r'

Let the cost of 1 Blue ball be 'b' $[1 m a r k]$

So, the algebraic expression will be 2r + 5b = 160 $[1 m a r k]$