Hillary used 5 l of a cleaning solution to scrub down 25 m^2 of table tops in the school cafeteria. how many litres of cleaning solution are required to clean a surface with an area of 65 m^2 if this solution is directly proportional? a.10l b.13l c.15l d.25l

Answer is B) 13L.

Explanation:

We can calculate the number of liters of cleaning solution required to clean up a surface with the given area by simple method of proportion.

If 25m^2 area requires 5L of cleaning solution,

then let x be the number of liters required for cleaning a 65m^2 area.

We can write it as:

25 / 65 = 5 /x

x = (5 x 65) / 25 = 325/25 = 13

So, 13 litres of cleaning solution is required to clean a surface with 65m^2 area.

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step-by-step explanation: