The system of equations that represent the situation are 1.20R + 2B = 70, and R + B = 90.
<h3>What are the system of equations?</h3>
The system of equations are sets of equations that have to be solved simultaneously in order to determine their required values. They are often referred to as simultaneous equations.
To learn more about simultaneous equations, please check: brainly.com/question/25875552
The sum of 69,75,81,87,93,99 is 504.0.
Answer:
18g - 8
Step-by-step explanation:
Multiply using the distributive property.
All of the given numbers are both real and rational, and so all of their respective squares are also real and rational.
Answer:
550-554
Step-by-step explanation:
550 is rounded to 550, and also rounded to 600. Same with all the other numbers. :)