Question

please give answer with steps​

Answer 1

Answer:

1/14litre

Step-by-step explanation:

Cost of 1 litre milk=7/2÷49

=7/2×1/49=1/14 litres

Answer 2

Step-by-step explanation:

$Cost\ of\ 3\frac{1}{2}\ litres\ of\ milk = 49\\Therefore\ cost\ one\ litre= 3\frac{1}{2} / 49\\\\\frac{3*2+1/2}{49} \\\frac{\frac{7}{2}}{49} \\= \frac{7}{2} * 49\\= \frac{7}{2} * \frac{1}{49} \\= 1/2 * 1/7\\\\= 1/14$