Question

a man buys 20 mangoes for rs 150 if he wants o sell some of them by making profit of 20% .how many mangoes must he sell or s.135​

Answer 1

Answer:

12 mangoes this is you abswer

Answer 2

Answer: 15 mangoes

Step-by-step explanation:

• let x be the number of mangoes

             $20x = 150$

                 $x = 150 \div 20$

                 $x = 7.5\\he \: sell \: it \:with \: \: a \: profit \: of \: 20\%$

                    $y = x+ 20\%ofx\\y = 7.5 + 20\% \times 7.5\\ = 7.5 + 1.5\\y = 9$

                   $9x = 135y = 135 \div 915 \: mangoes \: are \: sold \: for \: rs.135$