I need help with the second once and can someone tell me if the first answer I did is ok or good
1 answer:
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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:
Answer:
Explanation:
[ Step One ] Remove Parenthesis: (a) = a
[ Step Two ] Multiply:
[ Step Three ] Apply Exponent Rule
[ Step Four ] Apply Exponent Rule:
[ ]
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