Question

long, 5.4 m high and 33 cm UNIUK!
10. A wall 15 m long, 30 cm wide and 4 m high is made of bricks, each measuring
22 cm x 12.5 cm x 7.5 cm . If of the total volume of the wall consists of mortar, how many
12
bricks are there in the wall?
Hint. Volume of bricks in the wall = {(1500 x 30 x 400) --_x (1500 x 30 x 400)} cm.
12
the
11 Find capacity of a rectangular cistern in litres whose
dimensions are
​

Answer 1

Answer:

Step-by-step explanation:

B is twice as old as his sister

So, age of C = age of B / 2 = (x+2)/2