Answers:
3. 6
4. Length = 16, width = 8
5. Second option
Step-by-step explanation:
3.
price of toppings = 1.25 * number of toppings
[tex]15 = 7.50 + 1.25n \\1.25n = 7.50 \\n = 6 \\[/tex]
4.
[tex]length = 2 * width \\2(w + l) = 48 \\2(w + 2w) = 48 \\2w + 4w = 48 \\6w = 48 \\w = 8 \\l = 2w = 2 * 8 = 16 \\[/tex]
5.
[tex]\frac{8.31}{3} or \frac{12.95}{3}[/tex]
[tex]2.77 or 2.59[/tex]
[tex]2.59 < 2.77[/tex]
Second option is better than the first
