Ole
&
l
ena
Lena decided to redecorate her bedroom. She wasn’t sure how many rolls of wallpaper she would need, but she knew Helga from next door, had recently done the same job and the two rooms were identical in size.
“Helga,” she said, “how many rolls of vallpaper did you buy for your bedroom?”
“Ten,” replied Helga.
So Lena bought the ten rolls of paper and did the job, but she had two rolls leftover.
“Hel…