Answer:
$7.50
Step-by-step explanation:
This is the answer when written in mixed form if that's what the question meant.
Are you sure you need help with that easy problem read it slowly then ask
18x+9xy (9x⋅2)+(9x⋅y <span>(9x⋅2)+(9x⋅y You multiply 9x times 2 and then 9x times y. Because a(b+c) = ab + ac</span>
Its 18....................................