Which unit rate is equivalent to 13 miles per gallon? (5 points) Group of answer choices
26/2 gallons
2 gallons /26 miles
39 miles/4 gallons
4 gallons/ 39 miles

The unit rate equivalent to 1 gallon for every 13 miles would be 2 gallons for every 26 miles

explanation:

you can divide 26 by two and get 13 so they're equivalent.

24 units

step-by-step explanation:

the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places