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CBSE Class 9 Answered

if this is a ball that cost 20 ruppe and a bat that cost 100 ruppe but the bat cost 10 ruppe more what is the total cost of ball and bat ?
Asked by nisalya.thakkar | 13 May, 2022, 09:01: PM
Expert Answer
Question must be:
if this is a ball and a bat that cost 100 ruppe but the bat cost 10 ruppe more than that of a ball, what is the total cost of ball and bat ?
Solution:
Let x and y be the costs of ball and bat respectively.
As per the condition, we have
x + y = 100
Since, y = 10 + x
Therefore, 2x + 10 = 100
2x = 90
x = 45
Cost of ball is rs 45 and that of bat is rs 55.
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