A class consists of 68 female students and 80 male students. One student is selected at random. What is the probability that the
2 answers:
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Given:
Last year Lira earned $12,000 less than her husband Todd.
Together they earned $75,000.
To find:
The amount earned by Lira in last year.
Solution:
Let x be the amount earned by Lira's husband inn last year.
Last year Lira earned $12,000 less than her husband Todd.
Amount earned by Lira =
Total amount earned by Lira and her husband =
=
Together they earned $75,000.
Now,
Amount earned by Lira =
=
=
Therefore, the amount earned by Lira in last year is $31500.