Answer:
Sol1 you can use "first(first+last)/2" is 138(138+1)/2 - 38(38+1)/2 = 8850
Sol2 or you can look this 39+40+41+....+100+(100+1)+(100+2)+....+(100+38) = 1+2+3+.....+99+100+100(38) = 5050+3800 =8850
27.5, because 27.5-3=24.5 and 24.5x2= 49
Answer:
C.
Step-by-step explanation:
10 is 37.037 percent of 27
oops sorry wrong question. sorry if I confused anyone :(
