The average of a and B is 45. The average of B and C is 52. The average of C and a is 39. So, how much is a plus C plus B?

The average of a and B is 45. The average of B and C is 52. The average of C and a is 39. So, how much is a plus C plus B?


(45+52+39)÷2=63



What is 3 / 2 times 15 x


3 / 2 times 15 x = 10 x



1 * 4 / 1 + 4 * 7 / 1 + 7 * 10 + 10 * 13 / 1 + 13 * 16 / 1 simple operation, the final answer is 15 / 16


1 * 4:1 + 4 * 7:1 + 7 * 10:1 + 10 * 13:1 + 13 * 16:1
=(1/3)*(1-1/4+1/4-1/7+1/7-1/10+1/10-1/13+1/13-1/16)
=(1/3)*(1-1/16)
=(1/3)*15/16
=5/16



What is 8 / 1 times 13 / 8 plus 13 / 8 divided by 8


This is 26