Question
What is the difference between the total number of sales
of manufacturer M₂ and the total number of sales of manufacturer M₄ during the years 2016 to 2019? The following table shows the sales of cars of five manufacturers from 2016 to 2020. (All the figures are in hundreds.)Solution
Sales from 2016 to 2019:
M₂: 160 + 170 + 180 + 190 = 700 (in hundreds) → 700 × 100 = 70,000
M₄: 200 + 210 + 220 + 230 = 860 (in hundreds) → 860 × 100 = 86,000
Difference: 86,000 - 70,000 = 16,000
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