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musickatia [10]
3 years ago
7

PLS HELP I NeED to finish this

Mathematics
1 answer:
mote1985 [20]3 years ago
3 0

Answer:

D. 15

Step-by-step explanation:

<em>Use proportions.</em>

<em />\frac{35}{25} = \frac{21}{x}  \\\\35x = 525\\x = 15<em />

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