Question

If 16 men can build a wall in 10 days,how long will it take 20 men to build the same wall ?i) write whether given case is direct or inverse variation ii) use arrow method or unitary method

Answer 1

Answer:

days =8

Step-by-step explanation:

10 : x ::20: 16

20x=16*10

x=160\20

x=32\4=16\2=8

x=8

2)

Inverse variation

Answer 2

Answer:

days =8

Step-by-step explanation:

Step-by-step explanation:

10 : x ::20: 16

20x=16*10

x=160\20

x=32\4=16\2=8

x=8