Question

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Answer 1

Answers:

3. 6

4. Length = 16, width = 8

5. Second option

Step-by-step explanation:

3.

price of toppings = 1.25 * number of toppings

$15 = 7.50 + 1.25n \\1.25n = 7.50 \\n = 6$

4.

$length = 2 * width \\2(w + l) = 48 \\2(w + 2w) = 48 \\2w + 4w = 48 \\6w = 48 \\w = 8 \\l = 2w = 2 * 8 = 16$

5.

$\frac{8.31}{3} or \frac{12.95}{3}$

$2.77 or 2.59$

$2.59 < 2.77$

Second option is better than the first