Final answer:
After boiling a total of 2.5 kilograms of bananas, Mother was left with 4.5 kilograms of bananas from the original 7 kilograms.
Step-by-step explanation:
Mother initially bought 7 kilograms of bananas. She then boiled 1 and 1/4 kilograms for her friends, and realizing it was not sufficient, she boiled another 1 and 1/4 kilograms. To find out the remaining bananas, we calculate:
- Total bananas at the start: 7 kg
- Total bananas boiled: 1 and 1/4 kg + 1 and 1/4 kg
We convert 1 and 1/4 kg to decimal form, which is 1.25 kg.
Total bananas boiled: 1.25 kg + 1.25 kg = 2.5 kg
To find the remaining bananas, subtract the total boiled bananas from the initial amount:
7 kg - 2.5 kg = 4.5 kg
Therefore, 4.5 kilograms of bananas were left after mother boiled bananas for her friends.