Answer: 105 grams
Step-by-step equation: they each eat 21 grams a day
2
1 Each for each side
[Horizontal Side]
[Vertical Side]
The answer would be -5 because:
-6-(-1)
Keep Change Flip
-6 + 1
Different signs Subtract..so the answer would be 5 but then you add the negative to it because -6 is greater than the positive 1