Answer:
a: 120m
b:rs. 9000
Step-by-step explanation:
Lenght:35m
Breadth:25m
Lenght of wooden strip required to frame(perimeter) = 2(L + B)
=2(35m +25m)
= 2(60m)
= 120m
Cost of wooden strip =Rs.75/m
Total cost= length of wooden strip × cost
= 120m × Rs.75/m
= Rs. 9000
19 & 23 usei o processo de multplicar os números por um
Answer:
216 cubes.
Step-by-step explanation:
The easiest way to take on this problem is to divide the side of the bigger cube by the smaller one.

Then, as in with volume, we cube this value to find the number of cubes necessary to fill such a space.

Answer:
4083.2
Step-by-step explanation: