charityifeyinwa02 charityifeyinwa02

04-06-2020
Mathematics

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A board measures 2½m by 1¼m and costs 750 naira. calculate the cost of 1m² of the board.

Respuesta :

maxwellekoh maxwellekoh

04-06-2020

Answer:

240naira

Step-by-step explanation:

The board measures 2½m by 1¼m

The area of the board is;

2½× 1¼ = 5/2 × 5/4 = 25/8 m²;

But 25/8 m² cost 750 naira;

Therefore 1m² cost 750 / 25/8

750 × 8/25 =

30 × 8

240naira

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