A box contains 30 radio chips of which 10 are defective. If 7 chips are picked at random out of the box randomly, what is the pr
2 answers:
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We are given :
- Initial = 86
- Final = 143
Let's find the percent increase with the help of formula:
First, you factor and simplify (respectively) the numerator and denominator. Your equation becomes:
Notice, there is a (x + 7) on both the top and the bottom. Because of this, they cancel each other out. What is left is your answer:
Notice, there is a (x + 7) on both the top and the bottom. Because of this, they cancel each other out. What is left is your answer: