The second one due to the fact the first one is subtraction and the third one is simply incorrect
Answer: 10y3 + 5x3 + 2
Step-by-step explanation:
15 / 330 = 20 / x...15 gal. to 330 miles = 20 gal to x miles
cross multiply because this is a proportion
(15)(x) = (20)(330)
15x = 6600
x = 6600/15
x = 440 <=== 20 gallons will take u 440 miles
D would be the answer.Since you are adding the sum first hence the parentheses.