12. Donnie, a fruit vendor earned less than or equal to P 450.00 for selling 20, pineapples (x) and 10 papaya(y). How are you going to write the linear, inequality in this situation?, a. 20x + 10y = 450, b. 20x + 10y s 450 , c. 10x + 20 450 , d. 10x + 20y = 450