George saves nickels and dimes for tolls. if he has 28 coins worth $2.60, how many are nickels and how many are dimes? (there should be 2 variables. be sure to identify and justify your choice in method of systems of equations.)

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

answer:

your answer is: c. 196 7/8 in^3.