Meg has a can that contains 80% orange juice and the rest water. the can has 1 liter of water. part a: write an equation using one variable that can be used to find the total number of liters of orange juice and water in the can.

Let the total number of liters of orange juice and water in the can be x liters. This is 100%.

The can has 1 liter of water and 80% of orange juice. this means that water is 100%-80%=20%.

Now, write

x l - 100%

1 l - 20%,

that is mathematically

If can contains 5 liters of water-juice solution and water is 1 liter, then juice is 4 liters.

the can contains 1 liter of water and 4 liters of orange juice, 5 l in total.

what is the model?

step-by-step explanation:

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -