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ll. READ EACH ITEM CAREFULLY. CHOOSE THE LETTER OF THE CORRECT ANSWER.
_____15. WHAT IS THE SUM OF -18 AND +18?
A. 0 B. 1 C. -36 D. +36
_____16. IN A CERTAIN PLACE, THE TEMPERATURE WAS -140C IN THE MORNING. THE TEMPERATURE IN THE AFTERNOON DROOPED FURTHER BY -70C. WHAT WAS THE TEMPERATURE IN THE AFTERNOON?
A. 70C B. -70C C. -140C D. 140C
_____17. WHAT IS THE DISTANCE BETWEEN AN AIRPLANE THAT IS 890 M ABOVE THE SEA LEVEL AND A SUBMARINE THAT IS 102 M BELOW SEA LEVEL?
A. 792 M B. 788 M C. 992 M D. 892 M
_____18. THERE WERE? 15 ROWS OF 50 CHAIRS ARRANGED IN AN AUDITORIUM. EACH CHAIR WAS RENTED FOR ₱ 40.00. HOW MUCH PAID FOR THE RENTAL?
A. ₱ 15,000.00 B. ₱ 21,000.00 C. ₱ 24,000.00 D. ₱ 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?
15. If you add a negative number to a positive number it's unlike sign so you gotta subtract it 16. The answer is actually there 17. 890 + 102 18. 50 x 15 = 750 x 40 19. 25-11=14
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