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11. Rob and two of his friends are diggingholes at Rob's house in order to plant somenew trees. The holes need to be at least 3 feet14deep. So far, Rob's hole is5feet, Sam's is2.6 feet, and Tom's is 2 feet. Who is theclosest to being finished?

11 Rob and two of his friends are diggingholes at Robs house in order to plant somenew trees The holes need to be at least 3 feet14deep So far Robs hole is5feet class=

Respuesta :

Let's compare who is about to finish his hole:

Rob = 14/5 feet

Sam = 2.6 feet

Tom = 2 1/8 feet

Solution:

1. We need to convert the depth of the holes on a common scale. The easiest one is decimals. So let's convert the depths of the holes of the three friends to decimals, as follows:

Rob : 14/5 = 2.8

Sam : 2.6

Tom : 2 1/8 = (8 * 2 + 1)/8 = 17/8 = 2.125

Now, we see that Rob's hole has the highest depth and it is the closest to 3.

Rob is the closest to being finished.

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