Answer:
C
Step-by-step explanation:
There are three groups of people: 25 years old and younger, between 25 to 50, and 50 years old and older. Their fractions must equal to 1 because these three together form the whole.
1 = 1/3 + 2/7 + x
where x is the fraction for people ages 25 to 50 years old
x = 8/21
So, the actual number of people ages 25 to 50 years old is:
84(8/21) = 32 people
18 + 1.50c = $ You just make an equation then replace c with the number of toppings
Answer:a+b
Step-by-step explanation:
You can use the variables a and b to solve your equation if you need
Answer: 12 in
Step-by-step explanation:hope this helps
