Answer:
4x - 7
Step-by-step explanation:
Answer:
5,750
Step-by-step explanation:
if he has 10 of each then you can multiply each bag by 10 and then multiply the amount of bags to the amount the coin is worth
The commutative property pf addition is a+b=b+a
Answer:
30
Step-by-step explanation:
So to do this you would set up the equation 
than you would add 6 to both sides so you would get 
than you would divide 3 from both sides so 
and that is the final answer which is correct
So 90 is 4/5 of a number.
4/5n=90
4n=450
n=450/4
n=112.5
