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?
2 answers:
159×3=477
the answer is 477 gallons
Multiply the number of gallons per second by the number of seconds. <span>159*3= 477 </span>
<span>159*5= 795 </span>
<span>159*10= 1,590 </span>
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