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Your scores on test in math are 89, 95 and 76. You will be taking one more test and you want your (mean) average to be 90. What will your test score have to be?

Respuesta :

camdaw8908

Answer:

100

Step-by-step explanation:

89+95+76=260

260+100(test score)=360

360/4=90

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The test score have to be is 100

  • The calculation is as follows:

= 89 + 95 + 76

=260

Now  

= 260+100(test score)

=360

And if we divide 360 by 4 so it gives 90

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