1. Suppose you need to move many tonnes of gravel and you have two trucks available. One truck is capable of completing the job in 10 trips, while the other truck is capable of completing the job in 25 trips. a. How many trips are required to complete the job if the two trucks travel together? Express your answer to the nearest hundredth. b. Suppose that one truck can complete the job in 150 trips, and another truck can complete the job in 'n' trips. If 55 trips are required when the two trucks work together, how many trips would it take for the first truck to complete the job alone?

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