Answer:$3.672
rounded is $3.67
Step-by-step explanation:
Answer:
Dimensions are 20 + 20 + 40 + 40
Step-by-step explanation:
1)4-8=-4
2)3+4-5=2
3) -13
4)8+12=20
5) -14
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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