M is the midpoint of AB. If AM = 5x+10 & MB = 4x+16, find the value of AM

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The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Multiply. write your answer in simplest form. 3/8 x 5/7