Question

a room is 13m long and 10 M broad find the cost of carpeting the floor at the rate of Rs 650 per m2

Answer 1

Area of room=l×b
=13×10
=130m²

Cost =650×130=>rs.84500

Answer 2

Aʀᴇᴀ = Lᴇɴɢᴛʜ × Bʀᴇᴀᴅᴛʜ

Aʀᴇᴀ = 13 × 10

Aʀᴇᴀ = 130ᴍ2

Rᴀᴛᴇ ᴏғ ᴄᴀʀᴘᴇᴛɪɴɢ ᴘᴇʀ ᴍ2 = 650

Rᴀᴛᴇ ᴏғ ᴄᴀʀᴘᴇᴛɪɴɢ 130 ᴍ2 = 650 × 130

Rᴀᴛᴇ ᴏғ ᴄᴀʀᴘᴇᴛɪɴɢ 130 ᴍ2 = $84500