SOLUTION: There were 750 shirts in a box. 1/5 of them were pink and 1/10 were green. The remaining shirts were either yellow or black. If they were 85 more black shirts then yellow shirts, w
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Question 1122090: There were 750 shirts in a box. 1/5 of them were pink and 1/10 were green. The remaining shirts were either yellow or black. If they were 85 more black shirts then yellow shirts, what was the total number of black and green shirts in the box? Found 2 solutions by ikleyn, MathTherapy:Answer by ikleyn(52781) (Show Source):
The number of either yellow or black shirts is equal to
= 525.
Now, from the condition, you have these two equations
B + Y = 525, (1) (where B = #of black shirts; Y = #of yellow shirts)
B - Y = 85 (2)
Add these two equations to get
2B = 525 + 85 = 610 ====> B = 610/2 = 305.
Then from eq(1), Y = 525 - 305 = 220.
Answer. 305 black shirts and 220 yellow shirts.
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There were 750 shirts in a box. 1/5 of them were pink and 1/10 were green. The remaining shirts were either yellow or black. If they were 85 more black shirts then yellow shirts, what was the total number of black and green shirts in the box?
As number of black is 305, number of black and green =
