The answer is 156. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
Another option is doing 26 multiplied by 6 where you aso get 156
15x26=390
How about 20 plus 6 equals 26 as one example
n = 26
26 + 8 = 34
40
15x26=390
How about 20 plus 6 equals 26 as one example
26 + 8 = 34
n = 26
40
71. :-)
26
64
49
104
105.
The answer is 613.