B. Direction: Solve the following problems. Use additional paper for your solution.(additional points will be given) 7. There are 520 grade six pupils. If 5% of them are not joining the field trip, how many pupils will join the field trip? 8. Mr. Mendiola earns Php25,000 a month. If he pays an average of Php1 500 for his electric consumption each mont, what percent of his salary does he spend on his monthly electric bill? 9. Mitzie got 81 points in a math test. If her score is 90% of the highest possible score, how many points did she miss?