no its 79
1 + 55 + 345 + 87 + 98 = 586
t + 98 + 55 = 180 t + 153 = 180 t = 180 - 153 t = 27
158
-55
on a calculator i got 312 why do you need to know? :]
It is 98*6 = 588
905
34 + 98 + 98 + 87 + 32 = 349
24*55 + 39*40 = 1320 + 1560 = 2880
20+35+40+55+60+55+80=345
141
180