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A math test has two problems The first was solved by 70 percent of the students The second was solved by 60 percent Every student solved at least one of the problems Nine students solved both problem?
.7x-.6x=9, .1x=9, x=9/.1=90 students
How do you usually solve problems?
At my age, usually by remembering how I solved it last time. If it's a new problem, and if I'm smart enough to recognize it as a significant problem, then the first step is to define just what the problem is.
How does one complete this problem... Find two positive real numbers whose product is a maximum Q The sum of the first and three times the second is 42?
The problem is complete. There is enough information there for it to be solved.
How can biology solve your problems such as smoking problems?
biology solved our problem such as smoking problem: first you have to ask your self what does smoking mean, does smoking have any advantage in my life you have to make assumption, you have to test or experiment on your lab the cigarette and at last you have to conclude your answer. you will discover the disadvantages of the smoking and you will know that smoking lets you to die
What was Ada Lovelace's mathematical discoveries?
she invented the first computer program and solved lots of problems
