Question

(9) A tank is 20m in length, 15m in breadth and 4m
in depth. Find the cost of cementing its floor and
the four walls at the rate of 50 per square metre.​

Answer 1

Answer:

put the value in formula 2 into lb + b h + H L

Step-by-step explanation:

l =20 :B= 15 m;h = 24

put the value and answer multiply 50 equals to metre square

Answer 2

Answer:

60000

Step-by-step explanation:

First multiply with 20and8=80,again multiply the answer with 15=1200,now multiply it with 1200 and 50=60000