 
 <prompt> Heather ta taimaka wata jirgin ta ta kwashe abubuwan da suka faru a cikin jirgin ta. Ta samu kuɗi na 5 cents ga kowane abu da ta kwashe. A kan yanzu, me yasa ta iya dauki minti goma sha biyu don kwashe abu idan ta so samun $10 a lokaci? <response>: A wani lokaci, ta bukaci a samu $10 * 100 cents / $1 = 1000 cents.
A wani lokaci, ta bukaci a samu 1000 cents / 5 cents = 200 albasar.
Akwai 1hr * (60 minutes / 1 hr) = 60 minutes a wani lokaci.
Akwai 60 minutes * (60 seconds / 1 minute) = <<60*(60/1)=3600>>3600 seconds a wani lokaci.
Ta yi 3600 seconds / 200 = 18 seconds don samu kowane albasar.

Javobi shine 18. 