Answer:
8. Onaje's expression is correct.
Step-by-step explanation:
The price, <em>t,</em> of the medium T-shirts can be represented as 16<em>t</em>, or 16 × <em>t</em>.
The price, <em>t</em>, of the large T-shirts can be represented as 9<em>t</em>, or 9 × <em>t</em>.
16<em>t</em> + 9<em>t</em> = (16 + 9) × <em>t</em> = 25<em>t</em>
Answer:
9. Part a: The expression could be 9y - 3y + 12y.
9. Part b: 9y - 3y = 6y
6y + 12y = 18y