Efren buys 3 liters of white paint and 1.5 liters of yellow paint. If a liter of paintcosts Php225.50, how much does Efren spend in all?19. What type of problem is this?A. math problemB. non-routine problemC. routine problemD. word problem20. Identify what are the operations involved.A. + and -B. + and xC. +and+D. - and +21. Select the correct the hidden question.A. The total cost of yellow paint.B. The total cost of white paint.C. The total volume of paint.D. The amount of money spent by Efren.22. Determine the answer.A. P1 004.75B. P1 014.75C. P1 024.75D. P1 034.75