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3 years ago

13

The ratio of total students in Ms. Murray's class to students in the class who have an older brother is 3 to 1. The answer is 1:

2. What is the question?

2 answers:

NISA [10]3 years ago

6 0

People who have older brothers and people who doesn't

devlian [24]3 years ago

5 0

The question is "What is the ratio of students in the class who dont have an older brother to students in the class with an older brother?"

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taurus [48]

Answer:

$\huge \boxed{ \boxed{ \tt - 5 {x}^{2} + 27 x- 2}}$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

algebra
PEMDAS

<h3>given:</h3>

A=2x+3
B=x²-5x+1

<h3>to find:</h3>

A-5B

<h3>let's solve:</h3>

$step - 1 : define$

A-5B=2x+3-5(x²-5x+1)

$step - 2 : solve$

distribute -5 to the parentheses:2x+3-5x²+25x-5
rewrite:-5x²+2x+25x-5+3
combine like terms:-5x²+27x-2

and

we are done

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