Respuesta :

Answer: $1.08

Step-by-step explanation:

30cent x 4 = 120 cents. 1 dollar and 20 cents, $3 - $1.20 = $1.08

Answer:

Billy has 1.8 dollars left.

Step-by-step explanation:

So, .30 x 4 is 1.2. I subtracted 1.2 from 3 and got 1.8. I hope it's the right answer and wish you luck on the rest of your work!