Answer:
They can have infineyely many solutions :)
Answer:
A: 15%
Step-by-step explanation:
First test:
15 ÷ 20 = 0.75
0.75 * 100 = 75%
Second Test:
18 ÷ 20 = 0.9
0.9 * 100 = 90%
90% - 75% = 15%
Answer: D. Infinitely many solutions
Explanation:
1. Remove parentheses
2. Cancel equal terms
3. Calculate them
Then you would get 6=6 which is true for any value of x
Using proportions, it is found that the life span of the person would be 14 years, 212 days and 22 hours shorter.
---------------------------
- 2 packs a day for 35 years is 40 cigarettes a day for 12775 days, as
. - Thus, a total of 511000 cigarettes, as
. - Assuming each cigarette costs 15 minutes of life, the person loses 7665000 minutes of life, as

- One year has 525600 minutes, thus the person loses 14 years of life, as

- Looking at the decimal part, the person loses 212 days of life, as

- Again looking at the decimal part, 22 hours, as

- Thus, the person loses 14 years, 212 days and 22 hours of life.
A similar problem is given at brainly.com/question/23352001