The 4th one because when you divide 270 by 15 you get 18 and when you also divide 135 by 7.5 you get 18 when something is proportional you get the same answer
Y + 5 = 1(x - 1)
y + 5 = x - 1
y = x - 6 is the answer
We know that 30 is 5/6 of the list. So we can find out how many words are on the list with the following equation:
Solve for x by isolating it. First we multiply both sides by 6 to cancel out the one-sixth.
Next divide both sides by 5 to cancel out the 5 being multiplied to the x.
The answer is 36 words.
I'm thinking its "D"
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Hope that helped!
The answer is b) 12 more than a number
when you use the word "more than" it means addition. when you use the word "less than" it means subtraction. when you use the word "product of" it means multiplication. when you use "quotient of" it mean division.
hope that helps, God bless! <span />