While shopping, Lucinda spent $48. If the amount she spent was 15% of her savings, how much savings did she
1 answer:
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Answer:
A
Step-by-step explanation:
Joint variation is given by:
Where k is some constant.
We are given that y = 360 when x = 4 and z = 10. Therefore:
Solving for k:
Therefore, our equation is:
Then when x = 5 and z = 12:
The answer is A.