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jd persamaannya
2x = 3.500
x = 175
1 lusin = 12 buah
3lusin = 36 buah
jadi
36x = 175 × 36
= 6.300 (A)
3 lusin sabun= 3x12=36
36x1.750.00=63.000.00 (a)
2). 2 1/2 =2.5
1 1/4=1.25
2.5 : 1.25 sama-sama dibagi 1.25
2 : 1 (a)