Answer:1.4
Step-by-step explanation: first you add the amount of cups of each juice, when i did this I got 5.6 cups (1.5+2+2.1=5.6). Then you see she is making punch for herself and three friends, in total that’s 4 people, so I divided the amount of juice (5.6 cups) by the amount of people drinking it (4) to get a final answer of 1.4 (5.6/4).