Answer:
$65.60
Step-by-step explanation:
4×16.40 = 4×(16+0.40) = (4×16) + (4×0.40) = 64 + 1.60 = 65.60
Answer:
It would probably be 15 actually
I don't know that we can help you without more info.
Do you have a photo of the problem that you could upload?