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sertanlavr [38]
2 years ago
6

translate into an algebraic expression: 120 is decreased by d% and increased by 25%. what is the result

Mathematics
2 answers:
s2008m [1.1K]2 years ago
3 0

Answer:

150(1-x)

Step-by-step explanation:

120 is decreased by d%

Let x = d%

120 - 120*x

120(1-x)

Then it is increased by 25%

(120 (1-x)) +(120 (1-x))*.25

(120 (1-x)) +(30 (1-x))

150(1-x)

aalyn [17]2 years ago
3 0

Answer:

Solution given:

120 is decreased by d%

in algebraic expression

<u>120-d% of 120</u>

and then

increased by 25%

in algebraic expression

(120-d% of 120)+25% of (120-d% of 120)

(120(1-d%))+120/4*(1-d%)

(1-d%)(120+30)

<u>150(1-d%)</u> is a required algebraic expression.

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