He can because you can add it mentally. You can just have 23 in your head and count by adding 10 "4" times.
Hope this helped☺☺
Answer:
Answer to the following question is a follows;
Step-by-step explanation:
The following are a few examples of how South Africa's competitiveness policy has been successful:
⇒ Consumers or buyers were given a variety of product options as well as competitive prices.
⇒ In 1984, practises like horizontal cooperation and resale price maintenance and control were ruled illegal.
Answer:
7 + 11 + 11
Step-by-step explanation:
7 + 11 = 18
18 + 7 = 25
