Question

Help me with this one

Answer 1

Answer:

72，96，108

Step-by-step explanation:

1/2:2/3:3/4⇒6/12:8/12:9/12

6/12+8/12+9/12=23/12

276÷23/12=144

144*6/12=72

144*8/12=96

144*9/12=108