18. There were? 15 rows of 50 chairs arranged in an auditorium. Each chair was rented for p
40.00. How much was paid for the rental?
a. P 15,000.00
C. P 24,000.00
b. P 21,000.00
d. P 30,000.00
19. At the beginning, John has 25 cards. He then gave 11 cards to his friend. His
cousin came over and gave him 17 cards. His uncle also came and gave him 18 cards. How
many cards does he have now?
a. 51 cards
b. 49 cards
c. 47 cards
d.45 cards
20. What is the average of -5, -8 and -11%
a.-8.
c. - 24
b. +8
d. +24​