Question

Two and a half litres of paint is used to cover 725 Sq m of area (i)how much will require to paint 2001 Sq m of area? (ii) how much area in Sq m can be covered from 4.75 litres of paint ?

Answer 1

QUESTION ----- Two and a half litres of paint is used to cover 725 Sq m of area (i)how much will require to paint 2001 Sq m of area? (ii) how much area in Sq m can be covered from 4.75 litres of paint ?

ANSWER
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Using Proportionality Method,

725 m^2 ------------> 2.5
2001 m^2 ----------> x

725 : 2.5 :: 2001 : x

PRODUCT OF MEANS = PRODUCT OF EXTREMES

2.5 × 2001 = 725x
2.5 × 2001 / 725 = x

=> x = 6.9 L

ANSWER (I) 6.9 L
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(ii) USING PROPORTIONALITY METHOD,

725 : 2.5 :: x : 4.75

PRODUCT OF MEANS = PRODUCT OF EXTREMES

2.5x = 725 × 4.75

x = 725 × 4.75 / 2.5

=> x = 1377.5 m^2

ANSWER (ii) = 1377.5 m^2

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HOPE IT HELPS :):):):):)

Answer 2

Step-by-step explanation:

(i )=725:25: :2001:x

=2.5×2001=725x

=6.9litre

(ii)=2.5x=725×4.75

×=725×4.75/2.5

=1377.5 m^2

hope it helps you

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