You add five to each product when you multiply numbers by five. if 5x10 is 50, 5x11 is 55. so 5x 12 would be 60 because 55+5=60
Answer:
40+39=79
Step-by-step explanation:
10 times 4+30+9
40*39=79
Answer:
Your answer is 13.5 .
I think option C) is the correct answer.
