Apool company has learned that, by pricing a newly released noodle at $4, sales will reach 20 comma 000 noodles per day during the summer. raising the price to $7 will cause the sales to fall to 17 comma 000 noodles per day. [hint: the line must pass through (4,2) and (7,17000).] a. assume that the relationship between sales price and number of noodles sold is linear and write an equation describing this relationship.