Question

There are 120 in a multi storey car park. Given that 30%of them are blu from nd the number of cars that are not blue

Answer 1

Answer:

84 cars are not blue

Step-by-step explanation:

total number of cars = 120

number of blue cars is 30%

= 30/100 × 120

= 3 × 12

= 36

not blue cars = 120 - 36 = 84

% of not blue cars

= 84/120 × 100

= 84/12 × 10

= 7 × 10

= 70%

Answer 2

The number of cars that are not blue=84  .

Explanation:

Given : The total number of cars in multi storey car park. = 120

The proportion of blue cars = 30%

Then, the number of blue cars = 30% of 120

Convert percentage into decimal by dividing it by 100 and and replace "of" to "x" sign , we will get

The number of blue cars = 0.30 x 120 =36

Now , the number of cars that are not blue = Total number of cars  - number of blue cars

=  120 -36  =84

Hence, the number of cars that are not blue=84  .

# Learn more :

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