¿Cuántos metros cúbicos de agua se necesitan para llenar una piscina de 10 m de largo con 5 m de ancho y 2.5 m de profundidad?

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42

you already gave the answer

step-by-step explanation: