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Sagot :
Piece of Cake Bakery runs a cupcake catering service through which the price per cupcake is inversely proportional
to the number of cupcakes ordered. If the bakery charges $0.85 per cupcake for an order of 100 cupcakes, what is
the price per cupcake for an order of 50 cupcakes?
Let
x ------> number of cupcakes
y -----> price per cupcake
Remember that
If the relationship between variable x and variable y is inversely proportional
then
y*x=k
where k is the constant of proportionality
so
step 1
Find the value of k
we have that
For x=100 ------> y=0.85
0.85*100=k
k=85
therefore
the equation is
y*x=85
step 2
For x=50
Find the value of y
y*50=85
y=85/50
y=$1.70
answer is $1.70
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