Answer:
4d
Step-by-step explanation:
i think any variable alone with no coefficient equals one
so this problem is like adding the terms 3d + 1d
so 1+3=4
and you use the variable d at the end
therefore the answer would be 4d
hope this helped<3
Answer:
What was the awnser!? Srry I need help
Step-by-step explanation:
18 liters water, 9 liters orange, 6 liters apple, and 3 liters mango
