Sandy wears contact lenses. She starts the year with 5 pairs of lenses, and she uses 3 pairs of contacts every 2 months. Write a
2 answers:
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Answer:
=
Step-by-step explanation:
Expression given is:
Now change the mixed fraction to improper fractions;
Now take a common denominator:
Now we can simplify the the above equation:
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Answer:
Step-by-step explanation:
x and 52 are supplementary, so they add up to 180°
If you mean
you can first substitute to get
and so