Adelle keeps track of the time her bus arrives at her stop. Since she has been keeping track, her bus has arrived on time 16 day
s and has been late on 4 days. Based on her data, what percentage of the time should Adele expect the bus to be late?
1 answer:
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Answer: She has 40 nickels and 40 quarters .
Step-by-step explanation:
Let be "n" the number of nickels Theresa has and "q" the number of quarters Theresa has.
You know that she has a total of $12 in nickels and quarters. In cents, this is:
Then, based on this you can write the following expression:
Since , you can rewrite it as:
Solving for "n", you get:
Therefore she has 40 nickels and 40 quarters .