Writing Expressions

Expression for the amount of ribbon used for each sister when a ribbon of length 𝑦 cm is cut into 4 equal pieces.

Olivia had 14 needles in her sewing kit, but she lost 𝑟 needles. Write the expression for the number of needles in her sewing kit now.

Expression for the original price of the sewing machine after $x$ discount, given Emma paid $159.

Expression for total length of ribbons left if a roll is 𝑔 inches long and 2 inches are used from each of 6 rolls.

Expression for the number of female lions when 3/5 of the lions are female and there are n lions.

Expression for the number of staff members needed for 20 exhibits if 𝑏 staff members are required per exhibit.

Expression for the number of visitors each day if there were 𝑒 visitors over a 3-day weekend.

Expression for the amount each person pays after $10 discount for a group of 6, with admission cost $d per person.

Expression for the change Jennie will receive after buying 3 red cotton scarves for $d each with a $50 bill.

Expression for the height of each floor in a building that is 𝑔 feet tall with 5 equal floors.