Numerical Skills/Pre-Algebra Placement

(Averages: Means, Medians, and Modes)
1. What is the average (arithmetic mean) of 8, 7, 7, 5, 3, 2, and 2?
A.  34/7
B.  45/6
C.  46/7
D.  5
E.  64/5
 
(Basic Operations with Decimals)
2.Ben is making wooden toys for the next arts and crafts sale. Each toy costs Ben $1.80 to make. If he sells the toys for $3.00 each, how many will he have to sell to make a profit of exactly $36.00 ?
A.  12
B.  20
C.  30
D.  60
E.  108
 
(Basic Operations with Fractions)
3.How many yards of material from a 24-yard length of cloth remain after 3 pieces, each 31/2 yards long, and 5 pieces, each 21/4 yards long, are removed?
A.  21/4
B.  41/4
C.  45/6
D.  101/4
E.  105/6
 
(Percentages)
4.Phillip charged $400 worth of goods on his credit card. On his first bill, he was not charged any interest, and he made a payment of $20. He then charged another $18 worth of goods. On his second bill a month later, he was charged 2% interest on his entire unpaid balance. How much interest was Phillip charged on his second bill?
A.  $8.76
B.  $7.96
C.  $7.60
D.  $7.24
E.  $6.63

Answers:

1. C
2. C
3. A
4. B


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