A hose fills a tank at a rate of 20 gallons per minute. What is the rate in liters per hour?
2 answers:
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Step by step explanation:
You first subtract z on both sides of the equal sign
ax-bx=(z-y)
Since a and b both have a "x" you can subtract them
(a-b)x=(z-y)
then you divide "x" on both sides of the equal sign