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OG problem solving
426.A group of store managers must assemble 280 displays for an upcoming sale. If they assemble 25% of the displays during the first hour and 40% of the remaining displays during the second hour, how many of displays will NOT have been assembled by the end of the second hour?
(A)70
(B)98
(C)126
(D)168
(E)182
A):C
433 0---:-|---:--|-:--:-|--:---|-:----1
On the number line above, the segment from 0 to 1 has been divided into fifths, as indicated by the large tick marks, and also into sevenths, as indicated by the small tick marks. What is the LEAST possible distance between any two of the tick marks?
(A)1/70
(B)1/35
(C)2/35
(D)1/12
(E)1/7
A):B
436.Equal amounts of water were poured into two empty jars of different capacities, which made one jar 1/4 full and the other jar 1/3 full. If the water in the jar with lesser capacity is then poured into the jar with the greater capacity, what fraction of the larger jar will be be filled with water?
(A)1/7
(B)2/7
(C)1/2
(D)7/12
(E)2/3
A):C
437.If Mel saved more than $10 by purchasing a sweater at a 15% discount, what is the smallest amount the original price of the sweater could be,to the nearest dollar?
(A)45
(B)67
(C)75
(D)83
(E)150
A)B
438.Which of the following CANNOT be the median of the 3 positive integers x,y, and z?
(A)x
(B)z
(C)x+z
(D)x+z/2
(E)x+z/3 | 
