mmaglaya1
27.09.2019 •
Mathematics
1.a student earned 75 out of 100 in col110 quiz for the first time, then she earned 85 out of 100 in the second time for the same quiz, what was the percentage change(increase or decrease) in her grade? round your answer nearest to hundredth.
2.a class with 25 students had 25% absents students last week. how many students did attend the class last week. round your answer to the whole number.
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Ответ:
x = 19
Step-by-step explanation:
1 = x - 18
1 + 18 = x
x = 19