Question

1) A cleansing agent is mixed with

water in the ratio 1:7. In 400 litres

of solution find the amount of

cleansing agent.​

Answer 1

Answer:

50

Step-by-step explanation:

let amount of cleansing agent = x

so, amount of water = 400 – x

according to question

⇒ 8x = 400

⇒ x = 50 litres

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Answer 2

Answer:

10 pages = 16 seconds,then

45 pages = ?

=> 10 = 16

=> 45 =

\frac{45 \times 16}{10}1045×16

=> 72 seconds

=> 1minute 12seconds

Hope it helps