Complete the number sentence modeled by place value disks

ou would have 12 of each

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2

jbankston is right, use thhe link and you should find the answer.

the answer is  

d.

8 m

hope you got it down chief.