Convert 12 kilometers to pounds.
use 1 kg 2.2 lb.

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day