Question

You check 20 batteries. Fourteen batteries do not have a charge. Out of the next 70 batteries that you check, how many would you expect to not have charge?

Answer 1

Answer:

                                                           Solution:

Check batteries=20

Battreies do not have charge=14

Out of the next batteries that you check=70

Expect to not have charge=30

Answer is 30.

Step-by-step explanation:

Answer 2

Number of batteries do not have charge from 20 batteries is 49 batteries

Numeric number based problem:

What information do we have?

Number of batteries do not have charge from 20 batteries = 14 batteries

Using ration of total batteries to do not have charge batteries

Number of batteries do not have charge from 70 batteries = 70[14/20]

Number of batteries do not have charge from 70 batteries = 7[7]

Number of batteries do not have charge from 20 batteries = 49 batteries

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