Mathematics
13 Online
OpenStudy (anonymous):
Equationssss
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OpenStudy (anonymous):
OpenStudy (anonymous):
@ganeshie8
ganeshie8 (ganeshie8):
how much profit do u make by selling one unit ?
OpenStudy (anonymous):
1.00
ganeshie8 (ganeshie8):
So how many units do you have to sell in order to make a profit of $14000 ?
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OpenStudy (anonymous):
14000?
ganeshie8 (ganeshie8):
Yes 14000 is the number of units you need to sell to break even
ganeshie8 (ganeshie8):
breakeven is the point at which your `expenses` equal `revenue` so that you don't make a loss/profit
ganeshie8 (ganeshie8):
if you close ur business without reaching breakeven, you would be in LOSS
OpenStudy (anonymous):
OKay
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OpenStudy (anonymous):
Thanks that was quite simple
OpenStudy (anonymous):
So number 15
ganeshie8 (ganeshie8):
set both the equations equal to each other and solve t
OpenStudy (anonymous):
like how ?
ganeshie8 (ganeshie8):
\[\large 15t + 177 = -10t + 498\]
solve \(\large t\)
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
321/25?
ganeshie8 (ganeshie8):
yes, express in decimal form
OpenStudy (anonymous):
12.84
ganeshie8 (ganeshie8):
321/25 = 12.84
so after 12.84 years both ship ments will be equal
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ganeshie8 (ganeshie8):
since the given equations represent time after the year 1980,
it would happen after : 1980 + 12.84 = 1992.84 the year
ganeshie8 (ganeshie8):
which is same as 1993
OpenStudy (anonymous):
yeah but the question asks what year though so it would be 1993?
OpenStudy (anonymous):
Oh ok yes
ganeshie8 (ganeshie8):
you're right !
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OpenStudy (anonymous):
YAYY thank you for ALL your help