Respuesta :
Answer:
The final cost is 7.85
Step-by-step explanation:
Take 3.14 and multiply it by 2.5
the final cost would be 7.85. i took 3.14 and multiplied it by 2 then took 3.14 again and divided it by 2. i added the answers together and got 7.85. or you could do it the way the other person who answered did it. my way is more complex