Question

Kanna Kamui let her DS charge for 108 minutes from 05%. What percent charge is Kanna's DS.

Note: A Nintendo DS takes 4 hours to charge fully.

Answer 1

Answer:

The percent charge of Kanna's DS is 50%

Step-by-step explanation:

we know that

A Nintendo DS takes 4 hours to charge fully (100%)

4 hours is the same that 240 minutes

using proportion

Find out what percentage represent 108 minutes

$\frac{100}{240}\ \frac{\%}{min} =\frac{x}{108}\ \frac{\%}{min}\\\\x=100(108)/240\\\\x=45\%$

Remember that

Kanna Kamui charge her DS from 5%

so

$5\%+45\%=50\%$

therefore

The percent charge of Kanna's DS is 50%