In this case, you aren't going to get an integer for the value of a, but you can rearrange the equation to equal a.
4a-3=D add 3 to both sides
4a=D+3 divide both sides by 4
a=(D+3)/4 here's your answer
When using distributive properties yes.
The common factor would be 3 because 3 is the highest multiple of 15 and 9
41-19 is 22 so he has 22 nickels. The amount of dimes is put in there to distract you. Just ignore those! :)
Answer:
b
Step-by-step explanation:
