16f+56
20w-32
These are your answers all you have to do to get them is distribute.
Answer:
105
Step-by-step explanation:
n=105 as 20 more than 105 is 125. Hope it helps!
Answer:
a = 12 and b = 18
Step-by-step explanation:
Given that,
8,a,b,27 are in geometric sequence.
For a GP, the nth term is given by :

Put n = 4

Put n = 2,

Put n = 3

So, the values of a and b is 12 and 18 respectively.
9. 9:15
10. 1:30
11. 2:15
12. 7:30
13. 10:15
14. 5:40
15. 9:05
16. 2:05
i just finished learning this myself :)
Jeff's Restaurant uses less because if you simplify both of the ratios you get 1/9 and 1/8