Question

The battery life for Bruhier's cell phone is longer when he has fewer apps running. When only one app is running, the battery will last for
16 hours. When four apps are running, the battery will only last for 4 hours.
This situation represents
variation.
The constant of variation, k, is equal to
If eight apps are running, Bruhler's battery will last for 4 hours

Answer 1

Answer:

inverse, 16, 4

Step-by-step explanation:

Answer 2

The constant of variation when eight apps are running, battery lasts for 4 hours is 32.

What is Inverse Variation?

When a variable varies inversely with the other variable, i.e. on increasing one variable the other decreases is called Inverse Variation.

The battery life varies inversely with the number of apps running

The battery life is denoted by b

and the number of apps is denoted by a

then

$\rm b\; \alpha \; (1/a)\\\\b = k /a$

here k is the proportionality constant

The battery lasts for 16 hours when the apps opened is 1

The battery lasts for 4 hours when the apps opened is 4

16 = k

The constant of variation when eight apps are running, battery will last for 4 hours

$\rm 4 = k /8$

k = 32

To know more about Inverse Variation

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