Using a system of equations, it is found that the correct option is:
A) 1389x+1660y=787x+1121y.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, considering the amounts in each olympics(1389 men and 787 women participated on the 19th, 1660 men and 1121 women in the 22th), the system is:
A) 1389x+1660y=787x+1121y.
More can be learned about a system of equations at brainly.com/question/24342899
16% discount, this is because 213.36-254 over the original price (254) times 100% equals -16%
Answer:
It is 8.5 meters tall
Step-by-step explanation:
28.05 / 3.3 = 8.5
You take 8 of something and add 2 more making 10 of something.
Answer:
35+37+39=111
Step-by-step explanation:
