I need help with questions 14 and 15

Firefox File Edit View History Bookmarks Tools Window Help 88% . Thu 11:50:50 PM Q = . .. "A HW 2.3 - Linear Models for Busin X C A Group Of Retailers Will Buy 80 X * Homework Help - Q&A from Onli X + https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=2403797 B ... E not PM 14. [-/0.47 Points] DETAILS 0/30 Submissions Used MY NOTES Suppose a certain outlet chain selling appliances has found that for one brand of stereo system, the monthly demand is 240 when the price is $700. However, when the price is $640, the monthly demand is 330. Assuming that the demand function for this system is linear, write the equation for the demand function. Use p for price and q for quantity. 15. [-/0.56 Points] DETAILS 0/30 Submissions Used MY NOTES A group of retailers will buy 80 televisions from a wholesaler if the price is $400 and 120 if the price is $350. The wholesaler is willing to supply 68 if the price is $320 and 148 if the price is $410. Assuming the resulting supply and demand functions are linear, find the equilibrium point for the market. (q, P) = ( Submit Answer Submit Assignment Save Assignment Progress JUL 2 -A 34 W Pg WE