See has at most $150 to spend on restocking dolls and trains at her toy store. dolls cost $7.50, and trains cost $5.00. dee needs no more than 10 trains, and at least 8 dolls. what is the system of inequality to represent this situation?

Answer would be 30

Step-by-step explanation:

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

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