Answer:
-4.2
Step-by-step explanation:
0.5 - 4.7= -4.2
I believe the answer would be x<46
5.6*1 2/5 = 5 3/5 * 1 2/5 =28/5 * 7/5 = 196/25 = 784/100 = 7.84 or 7 21/25
the answer is B
^^
52units