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a) The ratio 2.5 metres to 60 centimetres can be written in the form 1:n.

Find the value of n.

n =

b) Water flows at a steady rate from a tap.

It takes 40 seconds to fill a 4 litre watering can from the tap.

The rate at which water flows from the tap is halved.

(i) Complete.

4 litres =

cm

(ii) Find the rate at which the water is now flowing from the tap.

Give your answer in cubic centimetres per second (cm/s).

cm/

right

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

ur right ive taken the test

step-by-step explanation:

6^2 or 36

step-by-step explanation:

6000n

6×1000n

6×10^3 n

so we need 6n need to be a perfect cube

so n has to be 6^2 so that 6n is 6^3

what i'm saying is if you let n be 6^2 you have 6^3×10^3 or 60^3 which is a perfect cube