For a large meat loaf, 3 pounds of ground beef are needed. if one package contains 1.78 pounds and another contains 1.4 pounds of ground beef, which expression shows how many pounds the two packages contain together?

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

answer: 8

step-by-step explanation: