Micheal took his brother to the movies. Micheal paid regular price, but it cost $2 less for his brother at the child price. It c

Question

3 years ago

7

ost Micheal $12 total for the movie. How much did it cost for his brother?

1 answer:

iren [92.7K] · Answer 1 · 2021-11-17T20:15:55+03:00

It cost $5 for his brother's ticket.

Step-by-step explanation:

Let,

Micheal's ticket price= x

His brother ticket price = y

According to given statement;

x+y=12 Eqn 1

y = x-2 Eqn 2

Putting value of y from Eqn 2 in Eqn 1

$x+(x-2)=12\\x+x-2=12\\2x=12+2\\2x=14\\$

Dividing both sides by 2;

$\frac{2x}{2}=\frac{14}{2}\\x=7$

Putting x=7 in Eqn 2

$y=7-2\\y=5$

It cost $5 for his brother's ticket.

Keywords: linear equation, substitution method

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