Answer:
prime factorization of 28
28 = 2 × 2 × 7
prime factorization of 50
50 = 2 × 5 × 5
Step-by-step explanation:
GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
Fractions that have the same number on the bottom have a "common denominator."
Answer:
a = 9
Step-by-step explanation:
you can simplify the proportion to:

use cross- multiplication
8a = 72
a = 9
450/313*10.5 = 15.09.... which is approx is 15
Answer:
5 3/4
Step-by-step explanation: