Question 60

40% of 265 + 35% of 180 = 50% of ? + ?% of 80

Solution

Let the missing value be y

40% of 265 = 106

35% of 180 = 63

106 + 63 = 169 = 50% of y + y% of 80

= $$\frac{y}{2} + \frac{4y}{5}$$

$$\frac{13y}{10}$$ = 169

y = 130

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