- 8y + 9x = -5 8y + 7x = -75
1 answer:
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Answer:
Wilma has $12.
Step-by-step explanation:
Since we don't know how many hours she worked, we know that Wilma earned 9x dollars at her job. Then she spends $15, so we can just subtract 15 from 9x.
We can just replace the x with 3 to get:
Hence, Wilma has $12.
Answer:
2.25 square inches
Step-by-step explanation:
we know that
The scale is
That means
1 inch on a map represent 20 miles in the city
so
An area of on a map represent an area of
in the city
Applying proportion