I dont really know maybe use the diagram it might help a lil
It is a function and yeas
A- the grams of copper is total which is 128 grams.*** b- is the total amount of percent of copper which is 71.76%+9.37
Answer:
B:4(x)+4(2)
Step-by-step explanation:
(4 × x)+(4 × 2)
You cant do anything in the parentheses so you have to distribute 4