Answer:
both are equal
Step-by-step explanation:
there are two side tails and heads so there a 1/2 chance it will land on heads
<u>211 - 87.40</u> equals 123.60.
To see if your answer is correct just <u>add 123.60 and 87.40 together</u>.
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
Learn more about linear equations at:
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The answer is 210 hope this helps
2×11+9
22+9
31
This the the way to solve this answer