39x3=30x3+9x3
117=90+27
117=117
39x3=30+9x3
117=30+27
117=57
39x3=300x3+9x3
117=900+27
117=927
39x3=30x3+9
117=90+9
117=99
So the first one is correct.
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hope it helps
Answer:
see attached
Step-by-step explanation:
Miles using 4.5 gallons = 144 miles
Miles using 1 gallon
(144 miles / 4.5 gallons)
32 miles / gallon
Answer:
turn the percentage into a decmial and then multiply the money
Answer:
No solution
Step-by-step explanation:
There is not a real nor an imaginary solution to this equation. You can use a radical calculator to verify.
