Giovanni frances a d their dad each carried a 10 pound bag of soil into the backyard. after puttingsoil in the first flower bed, giovanna bag was 5/6 frances bag was 2/5 full and their dads was 3/4 full. how many pounds of soil did they put in the first flower bed altogether?

They carried 3 10-lb bags.
Giovanni's bag was 5/6 full, so 1/6 of that bag was used.
Frances' bag was 2/5 full, so 3/5 of that bag was used.
The dad's bag was 3/4 full, so 1/4 of that  bag was used.

Soil put in first flower bed was

1/6 * 10 + 3/5 * 10 + 1/4 * 10 =

= (1/6 + 3/5 + 1/4) * 10

= (10/60 + 36/60 + 15/60) * 10

= 61/60 * 10

= (1 1/60) * 10

= 10 10/60

= 10 1/6

The put in 10 1/6 lb of soil.