4c+ 3 = the number of coins so therefore that is the equation you need to use
V = H(t-16^2) You just divide the left side by v and then multiply the right side by H.
Step-by-step explanation:
solved in the picture....
Answer: x=5
Step-by-step explanation:
0 x 5= 0
1 x 5= 5
2 x 5= 10
3 x 5= 15