单项选择题

Paul drove m miles in h hours; Michelle drove the same distance in
an hour less. How fast, in miles per hour, did Michelle drive

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单项选择题
A sequence of numbers begins 1, 1, 1, 2, 2, 3 and then repeats this pattern forever. What is the sum of the 135th, 136th, and 137th numbers in the sequence
A．3
B．4
C．5
D．6
E． 7
单项选择题
At Tyler High School, there are twice as many girls as boys on the yearbook staff. At one staff meeting, the percentage of girls attending was twice the percentage of boys. What percent of those attending the meeting were boys
A．20
B．25
C．30
D．33
E． 50
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