Howard takes 80 minutes to solve 30 math problems at the unit rate of 16/6 minutes per math problem.
In the question, we are given that Howard solved 6 math problems in 16 minutes, and are asked for the time he spends solving 30 math problems at the same speed.
First, we calculate the unit rate of solving a math problem by Howard as follows:
6 math problems take 16 minutes.
Thus, 1 math problem takes 16/6 minutes.
Now to calculate the time to solve 30 math problems, we multiply unit rate to it.
Thus, Howard takes 30*16/6 = 80 minutes to solve 30 math problems.
Hence, Howard takes 80 minutes to solve 30 math problems at the unit rate of 16/6 minutes per math problem.
Learn more about unit rates at
https://brainly.com/question/25406546
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