Answer:
1.
Given: 3/5 of 65 pupils and 1/2 of the remaining students
Asked: How many pupils chose Mathematics?
Solution:
3/5 = 5 divided by 3 = 0.60 = 60%
= 60%/0.60 x 65 = 39 pupils
= 65 - 39 = 26 pupils
= 26 divided by 2 =N
Answer: 13 pupils
2.
Given: 24 chocolates and 1/4 of 24 chocolates
Asked: How many chocolates did each of her friends get?
Solution:
1/4 = 1 divided by 4 = 25%
= 25%/0.25 x 24 = 6 chocolates
= 6 divided by 3 =N
Answer: 2 chocolates each
3.
Given: 150 passengers, 2/5 of 150 passengers, 35 passengers
Asked: How many passengers are on the train when it leaves the station?
Solution:
2/5 = 5 divided by 2 = 40%
= 40%/0.40 x 150 = 60 passengers
= 60 + 35 =N
Answer: 95 passengers
4.
Given: 25 stickers, 17 stickers, 1/6 of the sum of 25 and 17
Asked: How many does he have left?
Solution:
25 + 17 = 42 Stickers
= 1/6 = 1 divided by 6 = 17%
= 17%/0.17 x 42 =N
Answer: 7 stickers but the real answer is 7.14
5.
Given: 3 book shelves, 36 books per shelf, 4/9 science, 1/3 math,
1/6 History, rest geography
Asked: How many books are about Geography?
Solution:
36 x 3 = 108 books
= 4/9 = 4 divided by 9 = 44%
= 1/3 = 1 divided by 3 = 33%
= 1/6 = 1 divided by 6 = 17%
= 44% + 33% + 17% = 99%
Geography = 1%
Science = 48 books
Math = 36 books
History = 18 books
= 48 + 36 + 18 = 102 books
= 108 - 102 =N
Answer:
Geography = 6 books = 1%
6.
Asked: How much did she pay for her child’s fare?
Solution:
Adult : Child = 2 : 1
= 2 + 1 = 3
= 24 000 divided by 3 = 8 000 pesos
Adult = 8 000 x 2 = 16 000 pesos
Child = 8 000 x 1 =N
Answer: 8 000 pesos
7.
Given: Php2,500, 3/5 of the money, and 1/4 of the money
Asked: How much money was left to me after buying my lunch?
Solution:
3/5 = 3 divided by 5 = 60%
= 1/4 = 1 divided by 4 = 25%
Gift = 60%/0.60 x 2 500 = 1 500 pesos
Lunch = 25%/0.25 x 2 500 = 625 pesos
= 1 500 + 625 = 2 125 pesos
= 2 500 - 2 125 =N
Answer: 375 pesos left
8.
A. 7 candidates
B. 6 candidates
C. 2 candidates
wala ng explanation isang oras nako dto
