Out of 100 ladies attending the gala,85 had a white hand bag;75 had black shoes;60 carried an umbrella;90 wore a ring; How many ladies must have had all four items?
Answer: 10 Divide by 3. All the ladies had three items. The remainder shows the number of ladies who had 4. 85756090______310 / 3 = 100 + 10 remainder
Solution:
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