Răspuns:
0.5 of Rs. 7.60 + 1.62 of Rs. 30
= 0.5\times7.60\ +\ 1.62\times300.5×7.60 + 1.62×30
= Rs. 3.80 + Rs. 48.60
= Rs. 52.40
(ii) 2.3 of 7.3kg + 0.9 of 0.48kg
=
2.3\times7.3\ kg\ +\ 0.9\ \times0.48\ kg2.3×7.3 kg + 0.9 ×0.48 kg
= 16.79 + 0.432
= 17.222
(iii) 6.25 of 8.4 - 4.7 of 3.24
= 6.25\times8.4\ -\ 4.7\times3.246.25×8.4 − 4.7×3.24
= = 52.500 - 15.228
= 37.272
(iv) 0.98 of 235 - 0.09 of 3.2
= 0.98\times235-0.09\times3.20.98×235−0.09×3.2
= 230.3 - 0.288
= 230.012