The ordered pair that is the solution to these equations is (-2,-1)
work:
2(-2)+5(-1)=-9
3(-2)-4(-1)=-2
Answer:
Half of the persentage were large.
Step-by-step explanation:
So if you do 60 divided by 2, which is 30, and 30 of the buttons are large, then half of 60, (30) are large
Answer:
<em>Riley has 72 tokens</em>
Step-by-step explanation:
<u>System of Equations
</u>
We have two conditions for the tokens Riley and Erik have earned. Let's call x and y to the number of tokens of Riley and Erik respectively. The first condition states that

Solving for y

The second condition is that the ratio of the number of tokens that Riley had to the number of tokens that Erik has is 8 to 7. It's written as

Or equivalently

Replacing y from the first equation

Operating

Simplifying


Riley has 72 tokens
Answer:
585 cars
Step-by-step explanation:
Given

per floor
Required
Determine the total number of cars
This is calculated by multiplying number of cars per floor by number of floors.



<em>Hence, there are 585 cars in total</em>