Question

alicia works out 7.5 + 4.8 in her head like this she says if i round up 4.8 to 5, i can change 7.5+ 4.8 to 7.5 + 5 which equals 12.5. then i must add the extra 0.2, which gives me 12.7​

Answer 1

Answer:

Correct Answer would be 12.3

Step-by-step explanation:

When u round off :

the sum would be 12.5 and the u have. to subtract 0.2 to get the correct answer