Apencil costs $0.45, an eraser costs $0.30, and a pencil sharpener costs $0.30. what is the cost of 3 pencils, 2 erasers, and 1 pencil sharpener?

Hi!

We know the prices of one pencil, one eraser and one pencil sharpener, which are $0.45, $0.30 and $0.30, respectively. Given that, we will find the cost of 3 pencils, 2 erasers and 1 pencil sharpener like this:

3 * 0.45 + 2 * 0.30 + 1 * 0.30 = 1.35 + 0.60 + 0.30 = 2.25

The cost of 3 pencils, 2 erasers and 1 pencil sharpener is $2.25.

Hope this helps!

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step-by-step explanation:

i think is g(1)=-1.

hope that i can