Question

the length of postcard is 2 cm less than 3 times its breadth.what is the length ,if the breadth is 10 cm is b cm​

Answer 1

Answer:

21/4 cm

Step-by-step explanation:

Let the breadth be x cm.

Length = 3x-2

Perimeter = 2(l+b)

10 = 2(3x-2+x)

10 = 8x - 4

8x = 14

x = 14/8 cm

x = 7/4 cm

LENGTH = 3(7/4) = 21/4 cm

BREADTH = 7/4 cm

HOPE IT HELPS YOU,

THANK YOU. ^_^

Answer 2

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