Emily and Mary went for a picnic. Their dad gave them a bottle containing 7 litres of juice. Emily drank 4/7 of the juice and the rest of the juice was drunk by Mary. How much amount of the water was drunk by Emily and Mary?
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Total liters of juice = 7 liters
Emily drank = 4/7
Mary = ??
Emily drank = (4/7) × 7
= 4 Liters....
So , the total amount of juice drank by Emily is 4 liters.
Amount of juice in a bottle = 7 liters
Then ,
Amount of juice consumed by Mary = (1 - juice consumed by Emily)
= (1 - ( 4/7))
= (7-4) / 7
= 3/7
∴ Total amount of juice consumed by Mary = 3/7 of 7 liters.
= (3/7) × 7
= 3 liters.
So , The total amount of juice drank by Mary is 3 liters
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