Math, asked by arp250906, 11 months ago

Shilpa has two planks of wood. One of them is 15 m less than 4 times the length of the other one. The two planks put together are 20 metres long. What is the length (in metres) of the shorter plank?

Answers

Answered by satyamlolugu2053

1

Step-by-step explanation:

Let the lengths of the planks=a,b

a+b=20m

x+(4x-15)=20m

5x=35m

x=7m

Length of shorter plank=7m

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