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For q12
0.7+0.2=0.9
23.4×0.9=26 sets of 0.7c and 0.2c
So >> 26×0.2= 5.2 << ans :)
0.7+0.2=0.9
23.4×0.9=26 sets of 0.7c and 0.2c
So >> 26×0.2= 5.2 << ans :)
Tysm!!!