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In order to get a college tennis scholarship, Martha needs to bring her winning average to 80%. What is the number of matches she needs to win given that she already won 19 out of 28?
a.3 b.4 c.17 d.22​


Sagot :

Answer:

a.

Step-by-step explanation:

get the 80 percent of 28

the 80 percent of 28 is 22.40

so she needs 3 more matches to pass