Hey there!
To solve this, first divide the numbers 9 and 2 . . .
9 divided by 2 = 4.50
This means that it costs $4.50 for 1 sandwich.
Next, multiply 4.50 and 8 . . .
4.50 x 8 = 36 <-----
Meg paid $36 for 8 tuna sandwiches.
Hope this helps you.
Have a great day!