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Mathematics 7 Online
OpenStudy (anonymous):

A printing plant that produces baseball cards has a monthly overhead of $6,000. It costs 18 cents to print each card, and the cards sell for 30 cents each. How many cards must the printing plant sell each month in order to make a profit? A. 30,000 B. 40,000 C. 50,000 D. 60,000 i just want to know if im right... is it C.50,000?

HanAkoSolo (jamierox4ev3r):

first you would create an equation

HanAkoSolo (jamierox4ev3r):

hint: the x variable represents the number of cards printed and sold each month

HanAkoSolo (jamierox4ev3r):

can u make the equation for me?

HanAkoSolo (jamierox4ev3r):

@panda03 ?

OpenStudy (anonymous):

not sure.. all i did was .30-.18=.12 then 6000/.12= 50,000

HanAkoSolo (jamierox4ev3r):

no, thats incorrect. To solve, use this formula: 0.30x>6000+18x

HanAkoSolo (jamierox4ev3r):

if you use this formula, what answer do you get?

HanAkoSolo (jamierox4ev3r):

you get 50,000, but then you have to add 10,000 in order to recieve a profit. Therefore, your answer is D., 60,000. So you were close :D

OpenStudy (anonymous):

haha.. ok but where did the 10,000 came from? @ja

OpenStudy (anonymous):

@Jamierox4ev3r *

HanAkoSolo (jamierox4ev3r):

50,000 is the answer you get b/a you didn't lose anything, but you didn't gain anything either. But when you add 10,000, then you have made a profit. Does that make sense?

HanAkoSolo (jamierox4ev3r):

and srry it took u forever to get help u wrote this question about a 1/2 hour ago

OpenStudy (anonymous):

its ok , everyone's busy haha, so anyways i know i have to gain profit, but where did you get the 10,000?

OpenStudy (anonymous):

@Jamierox4ev3r

HanAkoSolo (jamierox4ev3r):

it doesn't necessarily have to be 10,000, but we know that 50,000 has no profit; it is the exact point when the amount invested is the same as the amount earned. By adding 10,000 (because thats the only other answer available), you get 60,000 and that is your answer

OpenStudy (anonymous):

alrighty makes sense now thanks tho :)@Jamierox4ev3r

HanAkoSolo (jamierox4ev3r):

anytime thx for listening :D

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