At the school store, 6 pencils sell for $0.99. At this rate, what is the cost of 16 pencils?

$1.65

$3.79

$2.98

$2.64

$2.64

To find the cost of 16 pencils, you can set up a proportion.

6 pencils cost $0.99
16 pencils cost x

(6 pencils / $0.99) = (16 pencils / x)

Cross multiplying, you get 6x = $0.99 * 16
6x = $15.84
x = $15.84 / 6
x = $2.64

Therefore, the cost of 16 pencils would be $2.64.