John is putting on sunscreen. He uses 3 ml to cover 45 square cm of his skin. He wants to know how many milliliters of sunscreen (g) he needs to
cover 240 square cm of his skin. He assumes the relationship between
milliliters of sunscreen and area are proportional. How many milliliters of
sunscreen does John need to cover 240 square cm of his skin? (Only write
in the number.) *

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation