Answer:
100 is grace's initial amount. w is how much of the substance is being decrased each week. in ryan's equation, 1 is 100% of the substance, so the initial amount, and 0.4 is the amount that is being decreased.
Step-by-step explanation:
The original price of the movie would be $26. Hope this helps!
I hope the solution in pic helps you
X = -2.1/3
I hope this helps
Y=4x+1 is the answer to your question