1. 12 and 9
Solution:
21 - 3 = 18
18 ÷ 2 = 9
9 + 3 = 12
Hence, the numbers are 12 and 9
2. 13 Buses
407 + 438 = 845
845 ÷ 65 = 13
Hence, they need 13 bus
3. Php 350 per day
2,450 ÷ 7 (days per week) = 350
Hence, mother spends Php 350 per day
4. 195 Bags per day
5,850 ÷ 30 = 195
Hence, the factory produces 195 native bags per day.
5. 20 toys per child
450 - 250 = 200
200 ÷ 10 (nephews) = 20
Hence, each child receives 20 toys
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Answers & Comments
1. 12 and 9
Solution:
21 - 3 = 18
18 ÷ 2 = 9
9 + 3 = 12
Hence, the numbers are 12 and 9
2. 13 Buses
Solution:
407 + 438 = 845
845 ÷ 65 = 13
Hence, they need 13 bus
3. Php 350 per day
Solution:
2,450 ÷ 7 (days per week) = 350
Hence, mother spends Php 350 per day
4. 195 Bags per day
Solution:
5,850 ÷ 30 = 195
Hence, the factory produces 195 native bags per day.
5. 20 toys per child
Solution:
450 - 250 = 200
200 ÷ 10 (nephews) = 20
Hence, each child receives 20 toys