What is the value of x
1 answer:
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Given :
One cell phone company offers a plan that costs $26.99 and includes unlimited night and weekend minutes.
Another company offers a plan that costs $18.99 and charges $0.35 per minute during nights and weekends.
To Find :
For what numbers of night and weekend minutes does the second company's plan cost more than the first company's plan.
Solution :
Let, after n number of nights and weekends second plan is most costly.
So,
Therefore, after 22 night and weekends second plan is most costly.
Hence, this is the required solution.
On her first three 5-point math quizzes, Ami’s scores were 4,3, and 5. She will take 3 more quizzes this semester. What three scores would give her an average that is a whole number? A repeating decimal?
Answer: The three scores 2, 5, and 5 would give her an average that is a whole number.
The three scores 5, 5, and 3 would give her an average that is a repeating decimal