A jar contains 0.25 liter of apple juice and 0.30 liter of grape juice. Melissa poured 0.75 liter of pineapple juice into the jar. She then drank 0.20 liter of the mixture.

Part A: Write an expression to represent the total amount of juice left in the jar.

Part B: Simplify the expression and identify which property is used in each step.

Question

A jar contains 0.25 liter of apple juice and 0.30 liter of grape juice. Melissa poured 0.75 liter of pineapple juice into the jar. She then drank 0.20 liter of the mixture.

Part A: Write an expression to represent the total amount of juice left in the jar.

Part B: Simplify the expression and identify which property is used in each step.

Sock · Answer

I need help mostly with part B

ScaryPerson · Answer

What math are you in? like, is it algebra or? I need to know so I can help you better.

ScaryPerson · Answer

Its just there are multiple equations and I don't know which one to use. It really depends on what math you are using.

Sock · Answer

not very sure what you mean by that, sorry im dumb but says for this module it says rational numbers as the title if that helps any,sorry again

ScaryPerson · Answer

LOl it's ok. I can work with this. give me one second please.

Sock · Answer

ok ty :)

ScaryPerson · Answer

OK so first thing you gonna do is, add 0.25, 0.30, and 0.75. Do that and tell me wht you get.

Sock · Answer

ok so I got 1.30 for that

ScaryPerson · Answer

hmm. I didn't get the same answer.

ScaryPerson · Answer

I actually got 1.3. Can you try that one more time and See if you did something wrong?

Sock · Answer

lemme check

ScaryPerson · Answer

Ok

Sock · Answer

yeah your right, sorry

ScaryPerson · Answer

Its ok. We all make mistakes Sometimes.

ScaryPerson · Answer

Anyways after that you should subtract that number from 0.20. What do you get?

Sock · Answer

1.1

ScaryPerson · Answer

Correct!. now last thing to do is figure out the Property that is used.

Sock · Answer

ok :P

ScaryPerson · Answer

Do you have an idea on what it might be?

Sock · Answer

I think it might be the distributive property, not completely sure

ScaryPerson · Answer

Hmm distributive. That is when there are parentheses.  Are there any parenthesis in this problem?

Sock · Answer

hmm no

ScaryPerson · Answer

I know what were doing. I did this in my first unit of algebra 2. Im currently taking algebra 2.

ScaryPerson · Answer

I"m a little rusty because this was at the beginning of the year. But i will try to help as best as I can

ScaryPerson · Answer

So there are commutative, associative, distributive.

Sock · Answer

yup

Sock · Answer

so it's not distibutive

ScaryPerson · Answer

What do you think it could be? from the look if the problem?

Sock · Answer

additional maybe?

Sock · Answer

I mean associative

Sock · Answer

sorry

ScaryPerson · Answer

Yes. That would be correct. it is being added by a number right?

ScaryPerson · Answer

Well there you go. Feel free to tag me or dm me about any more questions you have! Ill be happy to help whenever I can!

Sock · Answer

tysm :D

ScaryPerson · Answer

Your welcome.