Answer:
84
Step-by-step explanation:
they use 3 plates a day
there are 4 of them
so in one day, they use 12 plates [3x4]
they camp for 7 days, so 12x7.
84!! :D
1.17.9
2. 120.61
Answer:A=5z-4y/x
You must bring 4y over first making it negative then to separate the x from the A you have to divide