At the science museum there is an energy exhibition with 150 displays:
• 30% of the displays are about electricity
• 2 5 are about using renewable energy
• 0.2 are about the use of gas
• the remainder are about nuclear power
how many displays are there about nuclear power?

15 displays are of nuclear power

Step-by-step explanation:

We have Total of 150 displays

1. 30 percent are of electricity i.e 30% of 150 = 45

2. 2/5 are of renewable energy i.e 2/5 * 150 = 60

3. 0.2 are of gas i.e 0.2 * 150 = 30

Remainder are of nuclear power (assume x)

i.e Total no of displays = Sum of individual displays

150 = 45 + 60 + 30 + x

150 = 135 + x

15 = x

step-by-step explanation:

$11.01

$16

$15

$4

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step-by-step explanation:

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