Answer:
1.20 USD
Step-by-step explanation:
Since there are 12 inches in a foot, you can do
[tex]12 \times 2 = 24 [/tex]
And then:
[tex]24 \div 2 = 12[/tex]
to represent the 10 cents per two inches. Then, because it costs ten cents, multiply the 12 by 10:
[tex]12 \times 10 = 1.20[/tex]
1.20$.