Answer:
Step-by-step explanation:
$8 for every 3
For 6 balloons $8 * 2 = $16
For 9 balloons $8 * 3 = $24
For 12 balloons $8 * 4 = $32
18 balloons / 3 balloons = 6
$8 * 6 = $48
50% of $40 is $20
50% of $20 is $10
x=a+b
Just move a to the other side (by adding it)
24.24
brainlist plzzzzzzzzzzz