Answer:
7
Step-by-step explanation: calculate the prime factors of 7 and 21, than find the greatest common factor
Answer:
26.13 sale price discount 12.87
Step-by-step explanation:
I do not know how to explain it to where you will understand it but the sale price is 26.13 and the discount it 12.87
Hope that helps
19/15, look at the attachment for work