Question

A big can holds 21 litre 250 ml of kerosene oil Sarita uses 4L 250ml each week.
a- How many week will the kerosene oil last.
b- If she reduces her use by 3L in a week, how long will the kerosene oil last. ​

Answer 1

Step-by-step explanation:

आई डोंट अंडरस्टैंड योर क्वेश्चन