In.verse Proportion.Find the missing term in a proportion.
1.It takes 4 men to build a brick wall in 10days.How many days will it take if 8 men will build a brick wall?
2.It takes 14 bakers to bake 200pieces of bread in 6 hours.How many hours will it take if 8 bakers will bake 200pieces of bread?
3.It takes 10 men to paint a house in 12days.How many men will it take to paint a house in 6days?
4.It takes 4 student to finish a Science project in 8days.How many students will it take to finish a Science project in 4days?
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Answer:
sorry I don't know what is it
Step-by-step explanation:
123 go
Answer:
1. 4 = k/10
k = 40
8 = 40/X
X = 40/8
X = 5 days
2. 14 = k200/6
14 × 6 = k200
84 = k200
84/200 = k
21/50 = k
8 = (21/50) 200/ X
8 = 84/X
X = 84/8
X = 10 1/2 hrs
3. 10 = K/12
10 × 12 = 120
K = 120
Y = 120/6
Y = 20 men
4. 4 = K/8
4 × 8 = 32
K = 32
Y = 32/4
Y = 8 Students