A phone store earned 15,000r after they sold 3 phones .write an equation that can be used to express the relationship between the total money earned and the number of phones sold.
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let the one phone be x.
total number of phones sold = 3 or 3x ...............i
money earnt by selling 3 phones = Rs 15000...ii
from i and ii,
3x = 15000
x = 15000÷3
hence x =5000
we can say that for every single phone sold, the phone store earns Rs 5000.
total number of phones sold = 3 or 3x ...............i
money earnt by selling 3 phones = Rs 15000...ii
from i and ii,
3x = 15000
x = 15000÷3
hence x =5000
we can say that for every single phone sold, the phone store earns Rs 5000.
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