To Analyze and solve the situations below 1. In a tree planting project, there are 4 giris for every 3 boys. There are boys if there 12 girls. 2. In Mang Jesus farm, 35 trees were planted. There were 3 mango trees for every 2 star apple trees. How many of each kind were there? 3. A basket of food is sufficient to feed 10 persons for 3 days. It will last for days for 5 persons. 4. If 3 boxes of bibingka cost Php300, 5 boxes of bibingka cost 5. Mang Lino uses 25 liters of gasoline in 3 weeks. He will use liters of gasoline in 6 weeks?
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Answers & Comments
1. 9 boys
4:3 = 12:n
n = (12 × 3) ÷ 4 = 9
2. 21 mango and 14 star apple trees
3+2 = 5
35 ÷ 5 = 7
7 × 3 = 21
7 × 2 = 14
3:2 = 21:14
3. 6 days
10:5 = n:3
n = (10 × 3) ÷ 5
n = 6
4. Php500
3:300 = 5:n
n = (5 × 300) ÷ 3
n = 500
5. 50 liters of gasoline
25:3 = n:6
n = (25 × 6) ÷ 3
n = 50