Answered

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5. Julie has taken 5 tests in science this
semester. On the first three tests, her
mean score was 70%. On the last two
tests, her mean score was 90%. What
is the mean of all five scores?

Sagot :

Answer:

83.333333333

Step-by-step explanation:

add 70+90+90=250/3= 83.3333333

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