Answer:

<h3>
Step-by-step explanation:</h3>

<u>Cross multiply:</u>
(Multiply the numerator in the first fraction times the denominator in the second fraction, then multiply the numerator of the second fraction times the number in the denominator of your first fraction.)

<u>Switch sides:</u>

<u>Divide both sides by 19:</u>

<u>Divide 798 by 19 = 42</u>


<h3>
<u>______________________________</u></h3>
Answer:
5in by 7in
Step-by-step explanation:
2*(l+w)= 24 => l+w= 12
Le= 35
It is easy to see that 35=5*7 and 12= 5+7
So 5 and 7 are the dimensions of the card