It is 60 times greater than a second.
Every 2 weeks the amount of money needed goes down 3
For sake of convenience, reverse the series, then it would be:
21,19,17.....7
a=21, d = -2,
s(4) = 4/2 (21+15)
s(4)=2(36)
s(4) = 72
Answer:
gallons of paint
Step-by-step explanation:
paint =
2/3 ---- 3/5
x ---- 1


Hope this helps