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Karen's uncle said if you add 10 to my age and then double the sum the result is 90 how old is karen's uncle?
Answers: 1
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Youβre repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )
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Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
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The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket
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Karen's uncle said if you add 10 to my age and then double the sum the result is 90 how old is karen...
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