Answer:
248
Step-by-step explanation:
If 4/10 of visits result in medication being prescribed, then 4/10 of 620 visits would be expected to have that result:
4/10 × 620 = 4×62 = 248
About 248 visits would be expected to result in medication being prescribed.
-x+xy +4xy-x2
-2x2+5xy
C.-2x2+5xy
78.74 divided by 12.7 is equivalent to 7874 divided by 12.70, 78.74/12.7=7874÷1270=6.200 calculating 3 decimle places
