So 4a=0.24 well its simple
your gonna divide 4 on both sides the 4 crosses out and 0.24 divided by 4 equals 0.06 or just .06 does that make sense?
240 is the answer to your question just multiply them
Answer:
or 
Step-by-step explanation:
we have

step 1
Group terms that contain the same variable

step 2
Combine like terms

step 3
Eliminate parenthesis

step 4
Factor the number 

Answer:
All real numbers
Step-by-step explanation:
Answer:
We need to multiply the percentage as a decimal (0.30) with the amount of chocolate (50 g):
0.30*50 = 15 g
There are 15 grams of cocoa in the chocolate bar.
Step-by-step explanation: