Kelvin has 112 stamps in all. The ratio of the number of local stamps to the number of foreign stamps is 7:9. How many more foreign stamps than local stamps does Kelvin have? pls show your work below! And, no links please! Only type out your answer! thx! :)

the answer will be b x² +x-1

step-by-step explanation:

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

there is no picture in order for this question to be answered

sorry not knowing about that