the average cost of 3 erasers was Rs.3.45. the average cost of the first 2 erasers was Rs.3.15. find the cost of the third eraser.
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the cost of the third eraser is rupees 4.05
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Cost of third eraser is Rs. 4.05.
Step-by-step explanation:
Since we have given that
Average cost of 3 erasers = Rs. 3.45
So, Cost of 3 erasers would be
Average cost of first 2 erasers = Rs. 3.15
So, Cost of first 2 erasers would be
So, the cost of third eraser is
Hence, Cost of third eraser is Rs. 4.05.
# learn more:
The average cost of 3 erasers was Rs.3.45. the average cost of the first 2 erasers was Rs.3.15. find the cost of the third eraser.
https://brainly.in/question/13993866
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