Same bar graph: $A=20$, $B=35$, $C=15$, $D=30$. Total sales of all four products is:

Same bar graph: $A=20$, $B=35$, $C=15$, $D=30$. Total sales of all four products is:
  1. $80$
  2. $95$
  3. $100$
  4. $110$

Solution

$20+35+15+30 = 100$ units.

Asked in: IMO

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