PLEASE I HAVE ASKED THIS THREE TIMES PLEASE I BEG YOU!!! Emily conducted a survey to find out the amount of time high schoolers
2 answers:
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Answer:
2
Step-by-step explanation:
You have to find a number that added with -6 equals -4, and multiplied equals -12.
Just have to do the opperations and that is all!
Hope you like it!
Let 
be the number of hours that the waitress works in the evening.
We know for our problem that she works
in the afternoon and that she works <span>1.75 hours less in the afternoon than in the evening, so:
</span>
<span>Since </span>
, we can rewrite our expression:
We can conclude that she works 3.375 hours in the evening, or expressed as a mixed fraction:
hours.
We know for our problem that she works
</span>
<span>Since </span>
We can conclude that she works 3.375 hours in the evening, or expressed as a mixed fraction: