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<em>"Associate with people who are likely to improve you."</em>
Harrison has a total of 30 red and green bowling balls at his bowling alley. Each red ball weighs 8lbs and each green ball weigh
ts 9 lbs. If the total mass of green balls is 49 lbs heavier than the total mass of red balls, how many red balls does he have.
1 answer:
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<em />
<em>"Associate with people who are likely to improve you."</em>