It is so very simple and quick to get the answer if you use the calculator that comes with your computer. But since you are not able to do so, the answer is 711. I used the computer.
0.09 x 79 = 7.11
7 with 9 remaining 79 - 9 = 70 = 10 x 7
9-1x=79-x=79-7=x2=xx=2
Roman numeral of 79 is LXXIX. L=50 ,X=10 ,IX=9.
79
0.09 x 79 = 7.11
7 with 9 remaining 79 - 9 = 70 = 10 x 7
-79
9-1x=79-x=79-7=x2=xx=2
493,039
Roman numeral of 79 is LXXIX. L=50 ,X=10 ,IX=9.
158 = x * 79 158 / 79 = x 2 = x 158 is 200% of 79 ■
-79
79
x - 56 = 79 x - 56 + 56 = 79 + 56 x = 135
90 divided by 9 = 1090 - 9 = 81 = 9 x 988 - 81 = 79 times with 7 remaining
1 x 79