Mary is running a marathon which is a total of 26 miles. she is running at a pace of 7.5 miles per hour and has already run 8 miles. if she stays at the same pace, how much time in hours does she have left?

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I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.