Answer:
Bella: 1482
Ricky: 1204
Explanation:
Form an equation:
let x be the number of hits ricky has
then bella would have x + 278 hits
So the equation would be:

now, solve
combine like terms

subtract 278 from both sides

divide both sides by 2

since bella has x + 278, she has 1204 + 278 = 1482 hits