ค้้้้้้้้้้้้้้้้้้้­FR points

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Divide. write in the simplest form. 4 1/6 divided by 10

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)