Page 239 - Math Grade 11 (Basic)

PROEUS DARA

0
2
ffl~Lmfi !; tHlfl tHH1ffi ru f.X x2 /;X;
1 61 l 1 l
'fs~fi X;

25 30 17 27.5 467.5 756.25 12856.25

30 40 55 35 1925 1225 67375

40.60 142 50 7100 2500 355000

60 80 153 70 10710 4900 749700

80 110 93 95 8835 9025 839325

l:.f; = 460 'Lf;X; = 29037.5 l:.f;XT = 2024256.25

i::llH28 s = 20.39 '1
u

mfi 3-10 10 15 15.20 20.25 25.30 30-35
"'
/; 15 72 15 90 35 8

I

236