The phrase "and decided to attach" is correct and usable in written English.
It can be used when describing a choice made to include or fasten something to another item or document.
Example: "After reviewing the report, she thought it was important to provide additional evidence, and decided to attach the relevant documents."
Alternatives: "and chose to include" or "and opted to add".
To reduce mass, Lelli said his team only placed steel in strategic locations and decided to attach the Bolt's battery to the bottom of the vehicle, making it part of the car's structure.
Seeing as the nearest power outlet was at least 30km away, I had to come up with a different, more creative solution and decided to attach the sound system and mp3 players to a solar battery pack.
MoH accepted the recommendations and decided to attach strategic importance to workforce planning as the basis of health workforce development in Oman.
* On February 4, Citigroup, J.P. Morgan Chase and Morgan Stanley -- decided to attach new terms to the hundreds of millions of dollars they typically loan to utilities.
The Gettingses had brought a robot along, and the three men decided to attach one of Baber's recoilless M-16s.
Owner Eli Tabib and executive manager Eli Ohana decided to attach Trump's brand to their team because of his decision to recognize Jerusalem as the Israeli capital, The Times of Israel reports.
After the controversy over credits for "Wag the Dog," celebrated playwright and screenwriter David Mamet reportedly has decided to attach his name only to movies on which he is the sole writer.
But the New York City Board of Education and its chancellor, Dr. Crew, had decided to attach a much greater value to CTB's tests than Indiana did.
When it decided to attach "terms and conditions" to a mayoral budget modification on sludge disposal, it demanded that the administration give it financial data that it had had for months.
That doesn't sound all that impressive and is probably barely noticeable, so Google decided to attach an additional statistic to that number.
Affix the rubber fan mounting nibs, and poke them through the hole where you've decided to attach the fan.
