19+17+15+13+7+5+3+1 Which of the following is another way of writing the sum of the numbers shown?

A.4×18
B.4×19
C.4×20
D.4×21

C

4×20=80

19+17+15+13+7+5+3+1 = 80

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 :)

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}