Question

19. A factory produces electric bulbs. If 1 out of every 10 bulbs is defective and the
factory produces 630 bulbs per day, find the number of defective bulbs produced
is 460, find the numbers.
each day.​

Answer 1

Answer:

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Step-by-step explanation:

Hi ,

This is related to Direct proportion.

If two quantities are are so related that

an increase ( or decrease ) in one causes

a corresponding increase ( or decrease )

in other , then they are said to be in direct

proportion ( or ) direct variation.

If in two variables x and y, x /y is constant,

then x and y are said to be in direct variation.

____________________________________

Number of defective | number of bulbs

bulbs | produced

____________________________________

x1 = 1 | y1 = 10

_____________________________________

x2 = ? | y2 = 630

____________________________________

x1 / y1 = x2 / y2

1/ 10 = x2 / 630

( 1 × 630 ) / 10 = x2

63 = x2

Therefore,

Number of defective bulbs are 63 produced

each day.

I hope this helps you.

:)