dillonbaker5541 dillonbaker5541

22-10-2019
Mathematics

contestada

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

Respuesta :

rani01654 rani01654

27-10-2019

Answer:

[tex]\frac{1}{7}[/tex]

Step-by-step explanation:

The satellite has 30 modular units.

There are equal numbers of non-upgraded sensors in each unit.

Let us assume that on the entire satellite there are x numbers of upgraded sensors.

Then as per the given condition, there are [tex]\frac{x}{5}[/tex] number of non-upgraded sensors in one unit.

Therefore, the number of non-upgraded sensors on the entire satellite is [tex]\frac{30x}{5}[/tex] =6x

Hence, total number of sensors in the satellite is (x+ 6x) =7x

Therefore, the required fraction of the upgraded sensors is [tex]\frac{x}{7x} =\frac{1}{7}[/tex]. (Answer)

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