They all add up to 2.5 maybe u have to simplify?
Answer:
equation: y - 730 = 95*(x - 4)
or y = 95x + 350
Step-by-step explanation:
190/2 = slope
point (4, 730)
y - 730 = 95*(x - 4)
10 days is twice the half-life. After 5 days, can expect

grams to remain; after another 5 days, you'd be left with

grams.