By switching service providers, a family's telephone bill decreased from about $50 a month to about $47 a month. What was the pe
2 answers:
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Answer:
Step-by-step explanation:
Rationalize the denominator first (keep in mind we are NOT solving this because there is no equals sign here. We are merely simplifying.)
Now simplify by taking the square root of 100 to get:
Divide numerator and denomiator by 10 to get:
