Question

Bubbles has painted 2/5 of her bedroom wall.after paintibg 1/4of the painted portion how much more does she need to finish painting her wall?
It would help if you would proofread your work before you post it.

There is no indication of amount of paint used.

In terms of the walls, 1 - .4 - .25 = ?
assuming you meant to say
"after painting 1/4 of the unpainted portion"
then we have2/5 painted, so 3/5 unpainted
1/4 * 3/5 = 3/20
2/5 + 3/20 = 8/20 + 3/20 = 11/20
so 9/20 remains unpainted

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