answer is option D

so the answer is option D
please mark this answer as brainlist
Answer:
Rs. 4.2
Step-by-step explanation:
10 kg of apples cost Rs. 42
1 kg of apples cost Rs. 42 / 10 = Rs. 4.2
Answer:
number 3, if s equals 5mm, then all of the sides on the square would be 5mm, because it is a square. thus making the area 25mm, and the perimeter 20 mm.