Question

A jar contains 0.75 liter of blackberry juice and 0.60 liter of blueberry juice. Patrick poured 0.25 liter of guava juice into the jar. He then drank 0.20 liter of the mixture.

Part A: Write an expression to represent the total amount of juice left in the jar. (5 points)

Part B: Identify which property is used in each step to simplify the expression. (5 points)

Answer 1

@Michele_Laino

Answer 2

hint:
total liters into the jar are:
0.75+0.60+0.25=..?

Answer 3

http://openstudy.com/study#/updates/54b7019ce4b0c3c33927e75f

http://openstudy.com/study#/updates/545d32aae4b0c2835b857666

Hope one of these help :)

Answer 4

what is:
0.75+0.60+0.25=...?

Answer 5

1.6

Answer 6

ok! Now we have subtract 0.2 liters, so we can write:
1.6-0.2=...?

Answer 7

what is 1.6-0.2=...?

Answer 8

Hey i will brb ok 2mins

Answer 9

Back

Answer 10

ok! what is 1.6-0.2=...?

Answer 11

1.4

Answer 12

ok! that's right. That's your answer to the first part of your question

Answer 13

Ok thanks now we can do the next one

Answer 14

ok!

Answer 15

at the first step, we have applied the associative property of addition, since we have wrote this:
(0.75+0.60)+0.25=1.60

Answer 16

Ok

Answer 17

at the second step, we have computed a subtraction, so we have applied the rule in order to perform a subtraction

Answer 18

Ok so and is thAt one of the things i write down also??

Answer 19

yes!