After an hour (4pm to 5pm) the temperature drops 18e⁻⁰˙⁶=9.9℉, so the temperature after an hour will be 68-9.9=58.1℉.
(The change -18e⁻⁰˙⁶ is negative indicating a drop in temperature.)
You have to graph the first one so you would do total cost=1.25*lb
Answer:
21
Step-by-step explanation:
42 divided by 2 = 21. or 2×21= 42
Hope I helped!!✌
40% of (times) X
4/10 of (times) X or 2/5 or .4
145 (times) .4 which is 58