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Ralph began work at 7 p.m .By 10 p.m ralph packed 18 boxes .At the same Ralph began work at 7 p.m .By 10 p.m ralph packed 18 boxes .At the same rate ,how many boxes will he pack by 12 midnight ,how many
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Ralph began work at 7 p.m .By 10 p.m ralph packed 18 boxes .At the same Ralph began work at 7 p.m .By 10 p.m ralph packed 18 boxes .At the same rate ,how many boxes will he pack by 12 midnight ,how many boxes will he pack by 12 midnight

User Libec
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10-7=3 so his rate is 18 boxes every 3 hours 18/3 is 6 boxes per hour, 12-7=5 hours 5 x 6 = 30 boxes by 12pm
User Kergoth
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