C more than 5 as an algebraic expression c>5
(40+41+41+45+48+48+49+49+49+40)/10 = 460/10 = 46
mean = 46
First plane: 496x
<span>Second plane: 558( x - 1/2) </span>
<span>Equation: 496x = 558( x - 1/2) </span>
<span>Solving x = 9/2 , or x = 4.5 hours.
Hope this helps.</span>
Answer:
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Step-by-step explanation:
