Respuesta :
Fraction of the sensors on the given satellite which have been upgraded is equal to option D. 1/7.
As given in the question,
Total number of modular units = 30
Let 'n' be the total number of upgraded sensors available on the entire satellite
Number of non-upgraded sensors available on one unit = ( 1/5)n
= x/5
Number of non-upgraded sensors available on 30 modular unit
= 30n /5
= 6n
Total number of non- upgraded and upgraded sensors makes one unit
⇒n + 6n = 1
⇒7n = 1
Fraction of upgraded sensors are:
⇒ n = 1/7
Therefore, the fraction of the sensors available on the satellite and are upgraded is equal to option D. 1/7.
The above question is incomplete , the complete question is:
A satellite is composed of 30 modular units, each of which is equipped with a set of sensors, some of which have been upgraded. Each unit contains the same number of non-upgraded sensors. If the number of non-upgraded sensors on one unit is 1/5 the total number of upgraded sensors on the entire satellite, what fraction of the sensors on the satellite have been upgraded?
A. 5/6 B. 1/5 C. 1/6 D. 1/7 E. 1/24
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