Question

Neeta has 6 planks of wood 7 feet long and 5 planks of wood 8 feet long.if she places all 6 of 7 foot planks in a line, they will be ____ feet longer than all 5 of the 8 foot planks in a line

Answer 1

Answer:

2 feet

Step-by-step explanation:

Since there are 6 planks of 7 feet and 5 planks of 8 feet. Now if these are placed line by line then these will be added vertically that will constitute the entire length.

Two find which plank collection is lengthy and by how much we've to subtract these length

So we multiply the length of one plank by no of plank.

The 6 feet plank = 6*7= 42 feet

The 5 feet plank = 5*8= 40 feet

So the difference being 42-40 is 2 feet