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Daniela keeps some batteries in her drawer. She has 7 batteries that work and 2 that do not work. She randomly chooses a battery from the drawer. What is the probability Daniela chooses a battery that works.

Daniela keeps some batteries in her drawer. She has 7 batteries that work and 2 that-example-1

2 Answers

7 votes
78 or 77.8

that’s what’s i think it is
User Rocky Balboa
by
7.1k points
1 vote

Answer:

78 or 77.7

Explanation:

7 ✖ 100 = 700

700 ➗ 9 = 77.7

or you can say

7/9 ➗ x/100 = 77.7

User Thomas E
by
7.3k points