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3 years ago

7

Solve for the indicated variable. for r

1 answer:

Sergeeva-Olga [200]3 years ago

8 0

What is the indicated variable

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2 years ago

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3 years ago

EASY BRAINLIEST PLEASE HELP!!

Gennadij [26K]

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3 years ago

Read 2 more answers

Kendra is considering two different long-distance phone plans. Phone plan A charges a $100 sign-up fee and 3 cents per minute. P

Gekata [30.6K]

Answer:

The number of minutes in a month must be equal to 50 minutes

Step-by-step explanation:

Let

x ---> the number of minutes

we have

<em>Cost Plan A</em>

$3x+100$

<em>Cost Plan B</em>

$5x$

we know that

In order for plan A cost the same than plan B, the following equation must hold true.

cost of plan A = cost of plan B

substitute

$3x+100= 5x$

solve for x

$5x-3x=100\\2x=100\\x=50\ min$

therefore

The number of minutes in a month must be equal to 50 minutes

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3 years ago