Answer:

Given equations:
<u>Make x the subject in equation 1</u>:
<u>Substitute this into equation 2</u>:
2(y - 3) - 7y = -14
2y - 7y = -14 + 6
-5y = -8
y = -8/-5
y = 1.6
Then x = y - 3
= 1.6 - 3
= -1.4
Solution: (x, y) ⇒ (-1.4, 1.6)
well, let's say 1 meter is the 100%, now, if we know that 1 is 100%, what percentage is 70?

And whats the rest of the question
C is the answer. Hope this helps!
Since 3/5 are tulips, that makes the remaining flowers not tulips. Therefore, 2/5 of the flowers in her garden are not tulips. Hope this helps!