The 90 men that visited restaurant take one of either pounded yam, rice or Amala. 10 take pounded yam and rice 19 take rice and Amala and 29 take pounded yam and Amala, x men take all the three menu. 2x men each take one food item. How many men take all three food items?

Answer 1

(10 + 19 + 29) take two items ... x take three ... 2 x take one

(10 + 19 + 29) + x + 2x = 90

something wrong with the numbers