The cost, in cents, of manufacturing $x$ pencils, is $1200 + 20 x$ . The pencil sells for 50 cents each. What number of pencils need to be sold so that the revenue received is at least equal to the manufacturing cost?

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Solution

The correct option is B 40
If each pencil sells at 50 cents, $x$ pencils will sell at $50 x$ . The smallest value of $x$ such that
$50 x \geq 1200 + 20 x$
$x \geq 40$
Correct answer is option B.

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The cost, in cents, of manufacturing x pencils, is 1200+20x. The pencil sells for 50 cents each. What number of pencils need to be sold so that the revenue received is at least equal to the manufacturing cost?

The correct option is B 40If each pencil sells at 50 cents, x pencils will sell at 50x. The smallest value of x such that 50x≥1200+20x x≥40 Correct answer is option B.

The cost, in cents, of manufacturing $x$ pencils, is $1200 + 20 x$ . The pencil sells for 50 cents each. What number of pencils need to be sold so that the revenue received is at least equal to the manufacturing cost?

The correct option is B 40
If each pencil sells at 50 cents, $x$ pencils will sell at $50 x$ . The smallest value of $x$ such that
$50 x \geq 1200 + 20 x$
$x \geq 40$
Correct answer is option B.