Answer:
X=30
Step-by-step explanation:
...
Make a proportion:

Then cross multiply and divide to solve.
20x=119
x=5.95
The answer is $5.95
Answer:
x = 4 + √ 38
Step-by-step explanation:
Answer:
the answer is A as it says shoe in the last one which immediately eliminates that option and as of for store b u only save 5 bucks
Let
x-------> the number of persons in the family
f(x)------> the function represent the cost of living
we know that
The domain of the function would only include positive integers, because the number of persons can not be negative or a fraction
The range of the function would only include positive numbers, because the cost can not be negative
therefore
<u>the answer is the option B</u>
The domain would only include positive integers.