shinyelish6
07.11.2019 •
Mathematics
Abag contains 140 marbles.some are blue and the rest are green. there are six blue marbles for every green marble. how many blue marbles are in the bag? explain your reasoning
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Ответ:
He must score 56 on the fifth test.
Su puntuación en la quinta prueba debe ser 56.
Step-by-step explanation:
The mean is the sum of all scores divided by the number of tests.
In this question.
5 tests.
Grades of 34, 65, 55, 40 and x. We have to find x.
The mean is 50. So
He must score 56 on the fifth test.
Su puntuación en la quinta prueba debe ser 56.