A TV screen is 15 in. high and 20 in. wide. Write a ratio of the TV's width to height.

Height to width   is 3:4

Width to height   is 4:3

Step-by-step explanation:

A TV screen is 15 inches high and 20 inches wide.

Height of TV screen is 15 inches

Width of TV screen is 20 inches

To find ratio of Height to width

we replace the numbers in the ratio Height : width

15: 20

Divide both numbers by 5, so ratio becomes

3: 4

Height to width   is 3:4

To find ratio of  Width to height

we replace the numbers in the ratio Width : height

20:15

Divide both numbers by 5, so ratio becomes

4:3

Width to height   is 4:3

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