1.
Determine the sum of an arithmetic series where
n
= 45,
a
1
= 14.3, and
a
n
= 80.3.
A.
3627.8
B.
2128.5
C.
3613.5
D.
4257
Hint
2.
A.
10 + 20 + 30 + 40 + 50; 150
B.
10 + 1 + 2 + 3 + 4 + 5; 25
C.
11 + 12 + 13 + 14 + 15; 65
D.
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10; 55
Hint
3.
Chavez needs to buy gasoline every week for a year (52 weeks). The first week he spends $10.00. If the amount he spends increases by $0.10 every week, how much will he spend on gasoline this year?
A.
$652.60
B.
$657.80
C.
$572
D.
$667.80
Hint
4.
Which of the following is not a series?
A.
5 + 7 + 9 + 11 + …
B.
C.
8 + 2 + 2 + 2 + …
D.
6 – 3 – 3 – 3 – …
Hint
5.
Evaluate
A.
434
B.
403
C.
372
D.
377
Hint