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Since we have to find x when the total cost in dollars y should be equal
0.75x = 10 + 0.50x
subtract 0.50x from both sides
0.25x = 10
Multiply with 4 on both sides to make coefficient of x equal to 1
0.25*4 x = 10 *4
x = 40
So when the team purchases 40 bars the cost for both companies is equal
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