Dhdghcdgfgfghdfghfyhfhfhfhfhfh
<em>Hi there!</em>
<em>This should be easy,lol!</em>
<em>Answer:</em>
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<em> (Decimal: -221.702503)</em>
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<em> (Decimal: 280.592231)</em>
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<em>Sorry bout the explanation thingy. Their really long -.-!</em>
<em>But the last one is short so i'll put it for you!</em>
<em>Step-by-step explanation:</em>
<em>∴!For the last one!∴</em>
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<em>Simplifies to:</em>
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<em> </em>
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<em>Have a great day/night!</em>
500=140+40h
minus 140 both sides
360=40h
divide y 40
9=h
9 hours
40 = n-.40n
40 =n(1-.4)
40 = n(.6
divide by .6 on each side
40/.6 =n
n=66 2/3