Question

the cost of 4 balls and nine bottles is rupees 140 2.50 what will be the cost of 8 balls and 12 bottles​

Answer 1

Correct Question :- The cost of 4 balls and 9 bottles is Rs.142.50 . what will be the cost of 8 balls and 18 bottles ?

Solution :-

given that,

→ 4 Balls CP + 9 Bottles CP = Rs.142.5 -------- Eqn.(1)

so,

→ 8 Balls CP + 18 Bottles CP

→ (4 Balls CP + 4 Balls CP) + (9 Bottles CP + 9 Bottles CP)

re-arranging ,

→ (4 Balls CP + 9 Bottles CP) + (4 Balls CP + 9 Bottles CP)

→ 2(4 Balls CP + 9 Bottles CP)

Putting value from Eqn.(1) , we get,

→ 2 * 142.5

→ Rs.285 (Ans.)

Hence, the cost of 8 balls and 18 bottles is Rs.285 .

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