Please explain in words, no files, please.

3 per red ball ;)

Step-by-step explanation: 3 times 4 is 12. 12 plus 8 is 20.

since both sides have 20 grams, it is balanced on both sides.

351°f

step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.