[計量] 請教幾題計量
1.Item X costs twices as much as item Z, and item Y
costs $3 more than half the cost of item Z.
The cost of item X The cost of item Y
Ans.D
2.A rectangular textbook page measure 8(1/2) inches by
11 inches. The page is partitioned into rectangular spaces
each 1/12 inch by 1/8 inch
The number of such spaces 17*11*48
on the textbook pages
Ans. C
3.How many postive integers less than 20 are equal to
the sum of a postive multiple of 3 and a postive
multiple of 4
A.Two
B.Five
C.Seven
D.Ten
E.Nineteen
Ans.D
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