Answer:

The answer is Letter D

20 - 5 = 15

15 x 4 = 60

60 + 1 = 60

Answer:

A. O

Step-by-step explanation:

MULTIPLY THE NUMBERS

20×5 . 4+10

20×20 . + 10

MULTIPLY BY 1

20×20 + 10

20×20 + 0

SUBTRACT THE NUMBERS

20-20 + 10

20-20 + 0

SOLUTION

= 0