50. If Ken is taller than Scott, then Dale is shorter than Connie. Which of the following must be true?
1 answer:
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78×4000=312000
100×x=100x
312000÷100=3120
3120+4000=7120<----2nd month
7120×0.5=3560<----3rd month
4000<----1st month
4000+3560+7120=14680<----Your answer, this is the total of the three months.