Which situation can be represented by y = 10x? John is y years old. This is 10 years older than his brother who is x years old.

Yope has y dollars. Her sister, Mai, has x dollars which is 10 less than Yope.

A bakery prepares y loaves of bread using 10 pounds of flour, with each loaf weighing x pounds.

A museum charges $10 per person for admission. The museum collects y dollars per x persons.

4

Step-by-step explanation:

It is the last one because 10x is 10 dollars per person, and we do not know how many people are getting admitted. The amount of money is Y because we still do not know how many people.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

rx and sx

step-by-step explanation: