Answer:
20
Explanation:
15 divided by 3 is 5 so y equals 4 times 5 equaling 20
hope this helps
Earth takes in thermal energy from the Sun in a process called thermal radiation. The angle between the direction of the energy and the surface it is striking is called the angle of incidence.
In order to get good results in relation to observing water pressure at fixtures, it is good inspection procedural practice to inspect the plumbing fixtures at the "pressure gauges"
<h3>What is plumbing fixtures?</h3>
Plumbing fixtures are the devices that can be linked with a plumbing system to deliver fluid or drain it.
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It is common practice for these system to be fitted with a pressure gauges.
Learn more about plumbing fixtures at;
brainly.com/question/12713589
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