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A prototype rocket burns 159 gallons of liquid-hydrogen fuel each second during a regular launch. How many gallons of fuel have burned after 3 seconds?
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159*3 = ____
gal/sec * sec = gal
To find the total gallons of fuel burned after 3 seconds, we need to multiply the fuel burn rate per second by the number of seconds.
Given:
Fuel burn rate per second = 159 gallons
Number of seconds = 3 seconds
To find the total gallons of fuel burned, we can use the formula:
Total fuel burned = Fuel burn rate per second * Number of seconds
Substituting the given values into the formula, we have:
Total fuel burned = 159 gallons/second * 3 seconds
Total fuel burned = 477 gallons
Therefore, after 3 seconds, 477 gallons of fuel have burned in the prototype rocket.