Question

the value of a mobile phone increased from rs 6000 to rs 6420 in a year the percent increase in a year​

Answer 1

Step-by-step explanation:

given

the value of mobile=6000

the increase value of mobile=6420

so,

the profit of mobile=6420-6000

=420

$now \\ the \: percent \: increase \: in \: year \\ = \frac{profit \: of \: mobile \times 100}{the \: value \: of \: mobile} \\ = \frac{420 \times 100}{6000} \\ = \frac{42}{6} \\ = 7\% \\ hence \: the \: increase \: percent \: is \: 7\%$

I hope it will be helpful to you so please mark me brainlist

Answer 2

Answer:

The answer of this question is 7%