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yKpoI14uk [10]
3 years ago
11

I have 47 red marbles and 76 blue marbles estimate the total number of marbles I have

Mathematics
2 answers:
Contact [7]3 years ago
6 0

Answer:

about 130 marbles

Step-by-step explanation:

round 47 to 50

round 76 to 80

you have about 130 marbles

djverab [1.8K]3 years ago
3 0

Answer:

About 100.

Step-by-step explanation:

47+76=123

123 is closer to 100 than to 200.

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let's say that C is "x" units farther from B, that means that CB = x, and therefore AC = 1.5x.


\bf \underset{\leftarrow ~~30~~\to}{\boxed{A}\stackrel{1.5x}{\rule[0.35em]{18em}{0.25pt}}C\stackrel{x}{\rule[0.35em]{10em}{0.25pt}}\boxed{B}}
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\\\\[-0.35em]
~\dotfill\\\\
AC=1.5(12)\implies AC=18~\hspace{8em} CB=x\implies CB=12

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