Question

please solve these questions and i will mark you as a brainliest. please dont put unusefull answers. please

Answer 1

hope it helps

plzz mark me as brainliest

1.Answer:

3hrs

Step-by-step explanation:

According to the question,

6 oil tankers can be filled by a pipe =4 1/2 = 9/2 hrs

1 oil tanker can be filled by a pipe =9/2*6

4 oil tankers can be filled by a pipe = (9/2*6)4

                                                         = (9/6)2

                                                           = 18/6 = 3 hrs

2. answer:

 630

explanation:

it's given that

      price of food for 30 days = 2718

  find cost of food consumed in a week

 price of food consumed in a day=2718/30=90 approx.

now,

      price of food consumed in a week= 90 * 7

                                                                = 630