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If 4/3 liters of water are enough to water 2/5 of the plant in the house, how much water is necessary to water all the plant in the house?Write an equation to represent the situation and then find the answer.

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Since we need 4/3 liters of water to water 2/5 of the plants in the house, then we need


(4)/(3)/(2)/(5)\text{.}

of water to water all the plants.

Recall that:


((a)/(b))/((c)/(d))=(ad)/(bc)\text{.}

Therefore:


((4)/(3))/((2)/(5))=(4*5)/(3*2)\text{.}

Simplifying the above result, we get:


(20)/(6)=(10)/(3)\text{.}

Answer:


(10)/(3)\text{ liters.}

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