Question

the price of mobile phone is increased by 20% at first and then decreased by 10% now the price of the phone is rupees 15000 find the original price of the phone. ​

Answer 1

Step-by-step explanation:

$\text{Let the original price of the phone be } P.$

$P(1+0.2\%)(1-10\%)=15000$

$P=\frac{15000}{1.2\cdot0.9}$

$P=13888.89$