Answer:
20 pints because if you mix 5 pints of blue and 2 pints of yellow it ='s 7 there are 4*7 to = 28 so you would multiply the 4 by the number of pints it took and if you do the math 5 x 4 =20 and 2x4=8 add them together and it = 28 so your answer is 20
Step-by-step explanation: