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Mark recorded two temperature measurements for experiment one was 2/3 of another measurement. if the sum of the measurements -30degrees c , what two measurements were recorded?

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Respuesta :

texaschic101
x + y = -30
x = 2/3y

2/3y + y = -30
2/3y + 3/3y = -30
5/3y = -30
y = -30 * 3/5
y = -90/5 = - 18

x = 2/3y
x = 2/3(-18)
x = - 36/3 = - 12

the 2 measurements recorded were : -18 and -12

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