Answer:
<h2>

</h2>
Step-by-step explanation:
5 1/2 , 6 3/4 , 4 2/3
Convert to decimals
5.5 , 6.75 , 4.67
Add
16.92
She worked 16.92 hours
Convert to mixed fraction
<h2>

</h2>
Hope this helps :)
Answer:
jkkjkkl
Step-by-step explanation:
Answer:
z=20 and y=38
Step-by-step explanation:
Since mass is neither created nor destroyed, the missing items are;
<h3>What is nuclear reaction?</h3>
The term nuclear reaction has to do with the transformation of one nucleus to another. On this case, we are going to transform P u to c m.
Since mass is neither created nor destroyed, the missing items are;
Learn more about nuclear reaction: brainly.com/question/25455333?