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4L - 2L = 2L

710mL - 690mL = 20mL

your final answer is... 2L  20mL

Answer:

[tex]2L[/tex] and [tex]20mL[/tex], or [tex] 2020mL[/tex]

Step-by-step explanation:

We can solve this problem in two ways:

  • Making operations with liters and milliliters separately
  • Converting all measurements to the same unit and subtracting

With the fist way:

[tex]4L-2L=2L[/tex]

and

[tex]710mL - 690mL= 20mL[/tex]

anwer is [tex]2L[/tex] and [tex]20mL[/tex] wich is the same as [tex]2020mL[/tex]

With the second way:

Fist conveting everything to mL [tex]4L =4000mL[/tex]

thus:

[tex]4L+710mL =4000mL+710mL=4710mL[/tex]

and [tex]2L=2000mL[/tex]

thus:

[tex]2L+690mL=2000mL+690mL =2690mL[/tex]

and then subtracting the two values:

[tex]4710mL - 2690mL= 2020mL[/tex]

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