Joan wants to reduce the area of her posters by one-third. Draw lines to match the original dimensions in the left column with the correct new area in the right column. Not all dimensions will have a match.

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Invisagirl Invisagirl

26-03-2019
Mathematics

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Joan wants to reduce the area of her posters by one-third. Draw lines to match the original dimensions in the left column with the correct new area in the right column. Not all dimensions will have a match.

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calculista calculista · Answer 1 · 2019-04-04T21:17:39+02:00

Answer:

1) [tex]30\ in\ by\ 12\ in[/tex] --------> [tex]120\ in^{2}[/tex]

2) [tex]30\ in\ by\ 18\ in[/tex] --------> [tex]180\ in^{2}[/tex]

3) [tex]12\ in\ by\ 15\ in[/tex] --------> [tex]60\ in^{2}[/tex]

4) [tex]18\ in\ by\ 15\ in[/tex] --------> [tex]90\ in^{2}[/tex]

Step-by-step explanation:

Verify each case

case 1) [tex]30\ in\ by\ 12\ in[/tex]

Find the area with the original dimensions

[tex]A=30(12)=360\ in^{2}[/tex]

Reduce the area of the poster by one-third

[tex]360/3=120\ in^{2}[/tex]

therefore

[tex]30\ in\ by\ 12\ in[/tex] --------> [tex]120\ in^{2}[/tex]

case 2) [tex]30\ in\ by\ 18\ in[/tex]

Find the area with the original dimensions

[tex]A=30(18)=540\ in^{2}[/tex]

Reduce the area of the poster by one-third

[tex]540/3=180\ in^{2}[/tex]

therefore

[tex]30\ in\ by\ 18\ in[/tex] --------> [tex]180\ in^{2}[/tex]

case 3) [tex]12\ in\ by\ 15\ in[/tex]

Find the area with the original dimensions

[tex]A=12(15)=180\ in^{2}[/tex]

Reduce the area of the poster by one-third

[tex]180/3=60\ in^{2}[/tex]

therefore

[tex]12\ in\ by\ 15\ in[/tex] --------> [tex]60\ in^{2}[/tex]

case 4) [tex]18\ in\ by\ 15\ in[/tex]

Find the area with the original dimensions

[tex]A=18(15)=270\ in^{2}[/tex]

Reduce the area of the poster by one-third

[tex]270/3=90\ in^{2}[/tex]

therefore

[tex]18\ in\ by\ 15\ in[/tex] --------> [tex]90\ in^{2}[/tex]

Joan wants to reduce the area of her posters by one-third. Draw lines to match the original dimensions in the left column with the correct new area in the right column. Not all dimensions will have a match.​

Respuesta :

Otras preguntas

Joan wants to reduce the area of her posters by one-third. Draw lines to match the original dimensions in the left column with the correct new area in the right column. Not all dimensions will have a match.