exam Maths Puzzle Numerical Ability

how many feet are in 2,000,000 quarters

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exam Other Question

hi, i need some help solving this problem..
3x-5y=1
10y=6x-1

if possible express the answer in ordered pairs. Thanks!
martina leaves home at 9am, bicycling at a rate of 24mi/h. Two hours later, john leaves, driving at the rate of 48 mi/h. at what time will john catch up with martina?