Applications: Quadratic equations:
Quadratic equations
A company produces and sells T-shirts. The weekly profit #p# can be modelled by the quadratic formula
\[p=-{{7}\over{25}} \cdot x^2 + 31 \cdot x -600\]
where #x# is the number of T-shirts produced and sold in a week.
How many T-shirts does the company have to produce and sell to break even?
There are two options #x_1# and #x_2# for this value of #x#. Round the #x#-values to the nearest integer.
Give your answer in the form #x=x_1\lor x=x_2#, where #x_1# and #x_2# are integers.
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