The answer is 105. Simply add the numbers together arithmetically as you would for the problem two plus two. To check your work, a calculator is the best option.
The Roman numeral for 50 is L, and the Roman numeral for 10 is X. So, 50 (L) plus 10 (X) plus 10 (X) plus 5 (V) plus 1 (I) equals 76 (LXXVI). There is no single Roman numeral for 79.
Sum = 79*(79+1)/2 = 79*80/2 = 3160
79 + 79 = 158
15x26=390
79 + 35 = 114
26+79=105
40+30+20+80=170
The Roman numeral for 50 is L, and the Roman numeral for 10 is X. So, 50 (L) plus 10 (X) plus 10 (X) plus 5 (V) plus 1 (I) equals 76 (LXXVI). There is no single Roman numeral for 79.
1,042
79 + 79 = 158
Sum = 79*(79+1)/2 = 79*80/2 = 3160
a + 79
79 + 79 = 158
15x26=390
The least common multiple of the numbers 79 and 26 is 2,054.
79 + 79 = 158 / 2 = 79.
79=1+3n79-1=1-1+3n78=3n78/3=3n/326=nn=26