Question

(b) 3/4of
a piece of metal has a mass of 15 kg. What is the mass of 2/5 of the piece of metal

Answer 1

Answer:

8 kg

Step-by-step explanation:

3/4 of  a piece of metal has a mass of 15 kg

1      "  "      "      "      "       "    "      "     "  (15 X 4/3) kg

2/5 "  "      "      "      "       "    "      "     "   (15 X 4/3 X 2/5) kg

                                                            = 4 X 2

                                                            = 8 kg