3 years ago

Kazoos prices- $10.00 for 25 kazoos

Mathematics

2 answers:

yuradex [85]3 years ago

8 0

$10 / 25 = 0.4
$18.50 / 50 =0.37
$27.20 / 80 = 0.34

Highest unit price is 0.40 per kazoo.

USPshnik [31]3 years ago

5 0

18.50/50= .37 cents per kazoo
27.20/80= .34 cents per kazoo
.37 cents per kazoo is the highest unit price for the kazoo.

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$\bf (x-2)^{2\div 3}=49\implies (x-2)^{\frac{2}{3}}=7^2\implies \stackrel{\textit{raising both sides by }\frac{3}{2}}{\left( (x-2)^{\frac{2}{3}} \right)^{\frac{3}{2}}=(7^2)^{\frac{3}{2}}} \\\\\\ (x-2)^{\frac{2}{3}\cdot \frac{3}{2}}=7^3\implies (x-2)^1=7^3\implies x=7^3+2\implies x=345$