# Algebra

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One boat travels 10km/h faster than another. Which one boat travels 120 km, the other travels 155 km. Find their speeds.

• Algebra -

rate of slow boat -- x km/h
rate of fast boat --- x+10 km/h

Your questions suggests they travelled the same time

120/x = 155/(x+10)

solve for x

• Algebra -

55

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