Question

c) Neha decided to put up a soft board in her classroom. The length and breadth of the board are l cm and b cm respectively. (1) She decided to frame the board using a thick ribbon If 35 cm extra ribbon was required to frame it completely, what is the length (in cm) of the ribbon? (ii) What will be the expenditure for making 50 such board: if the carpenter charges : per board?​

Answer 1

Answer:

length is 1cm

let breadth is x cm

then perimeter is 2(1+x)

she need 35cm extra then length is 2x+2+35 cm

that is 2x+37

for 50 such boards is 50×2x+37

1850+100x

Step-by-step explanation:

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