Question

Please include an explanation !!

Answer 1

4 yd

Explanation:

20 yd / 4yd is 5yd and 8yd / 4 yd is 2yd they both have the number for in common it is the greatest common factor so 4yd is the answer.

Answer 2

10.5

Explanation:

Volume of a triangular Prism=
`(1)/(2)`blh

840=
`(1)/(2)`(x*20*8)

840=
`(1)/(2)`(x*160)

840=
`(1)/(2)`(160x)

840=80x

x=10.5