Question

46. An electrician uses tiny red and green bulbs in the
ratio 5 : 4 to make a long chain of lights. If he uses
1765 red bulbs, how many bulbs does he use in the
entire chain of lights?​

Answer 1

Step-by-step explanation:

$\implies$ $\Large\frac{5}{4}=\frac{1765}{x}$

$\implies$ $5x=1765×4$

$\implies$ $x=\Large\frac{1765×4}{5}$

$\implies$ $x=1412$

So, Total chain of lights = red + green bulbs = 1765 + 1412

$\implies$ $\boxed{3177\:bulbs}$

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