Answer:
<u>20.4minutes</u>
Step-by-step explanation:
<em>Duration= Number of words/Typing speed</em>
<em>Duration</em><em>=</em><em> </em><em>100</em><em>0</em><em>/</em><em> </em><em>49</em><em> </em><em>per</em><em> </em><em>min</em>
<em>=</em><em> </em><em>20.4minutes</em><em> </em>
Hope this helped you- have a good day bro cya)
2*l*w+2*l*h+2*w*h plug in then solve
Make bottom number same
ok, so remember
(a-b)(a+b)=a²+b²
so
to get from (y-x) to (y²-x²), multiply 2nd fraction by (y+x)
so multiply 2nd fraction by (y+x)/(y+x)

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