B) Calcula el tiempo en minutos de un nadador que batio el récord mundial de las 400 m libres a una velocidad de
20 km/h
Datos
Fórmula y despejes
Sustitución
Resultado
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1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!