Answer:
true
Step-by-step explanation:
Last option is the correct answer.
Step-by-step explanation:
Given that
Let x stand for the solution a and y stand for the solution B
So,
According to statement that
30 gallons have to be made

Solution A contains 29 percent bromine => 0.29x
Solution B contains 53 percent =>0.53y
And the mixture of 30 gallons contains 45% bromine

Following equations will be used for solving the problem

Hence,
Last option is the correct answer.
Keywords: Equations, Variables
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A= 1
B= -5
C= 10
In order to figure it out, you can think about it like this..
Answer:
The number of items bought and the checking account balance - negative correlation
The height of a baseball player and the number of hits made- no correlation
The time spent practicing and the number of free throws made- positive correlation
Step-by-step explanation: