12 1/2 dikali 96 + 14 2/7 dikali 105 + 16 2/3 % dikali 72 ...

12 1/2 x 96 + 14 2/7 x 105 + 16 2/3% x 72
1200 + 100/7 x 105 + 50/3% x 72
1200 + 1500 + 50/3/100 x 72
1200 + 1500 + 50/300 x 72
1200 + 1500 + 1/6 x 72
1200 + 1500 + 12
2712
.
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jawaban :
x = 12 1/2 × 96
x = 25 / 2 × 96
x = 1.200

y = 14 2/7 × 105
y = 100 / 7 × 105
y = 1.500

z = (16 2/3 %) × 72
z = (50 / 3 / 100 ) × 72
z = (50 / 300 ) × 72
z = 1/6 × 72
z = 12

a = x + y + z
a = 1.200 + 1.500 + 12
a = 2.712