exam
Maths Puzzle
Numerical Ability
how do I solve 0=4/5 d
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|2x-2|<4
|3x+2|-4 > or = 1
|2x+5|=7
2|3x-4|+3=17
|-2x-3|=-5
@ noon a train leaves bridgton heading east at 90 mi/h to cogsville, 450 mi away. at 12:15 p.m. a train leave cogsville heading west to bridgton at 100 mi/h. at what time will they pass each other?