Mathematics, 01.07.2020 19:01 chelsea73

Raj and Aditi like to play chess against each other. Aditi has won 12 of the 20 games so far. They decide to play more games. How many more games will Aditi have to win to have a 70% winning record?

12 + x = 0.70(20 + x)
x = x equals StartFraction 20 Over 3 EndFraction is approximately 6.67. ≈ 6.67
She will have to win 7 more games to have a 70% winning record.

How many more games will Aditi have to win to have an 80% winning record?

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Raj and Aditi like to play chess against each other. Aditi has won 12 of the 20 games so far. They d...

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