Respuesta :
Answer:
4 x 20
Step-by-step explanation:
Step 1. Add all the numbers 19+17+15+13+7+5+3+1 = 80
Step 2. Find the equation that matches the sum. Eliminate the answers you know are wrong. 4 x 20 = 80 is another way of writing all those numbers.
Hope this helps and thanks :)