6x – 6= 3x and x – 1= 3x are not equivalent because why ?

Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?