there are only red buttons. yellow buttons and orange buttons in a jar the number of red buttons, the number of yellow buttons and the number of orange bottons are in the ratio 7:4:9 work out what percentage of the jar are orange
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Step-by-step explanation:
The percentage of the jar of orange is 9x/7x+4x+9x
9x/20x
9/20 that is 0.45
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