easy · GMAT Quant
A solar energy startup installed 60 panel systems in a month, consisting of residential units producing 5 kilowatts each and commercial units producing 10 kilowatts each. If combined output capacity installed was 420 kilowatts
How many residential units were installed?
- 36
- 24
- 30
- 40
- 20
Sign up free to see the explanation and track your rank →
More GMAT Quant practice
- Including both endpoints, how many distinct integer price points are in this range?
- Which of the following expressions must result in a positive value?
- Which property of arithmetic justifies that first step?
- Which of the following must also be an even integer?
- Which of the following inequalities correctly represents this range?
- Which of the following includes the number 0?
- How many unique meal combinations can a customer create?
- What is the probability that the lightbulb is functional?