3.25(4)+2(6) --plug in values
13+12 --multiply
$25 --answer
2x + 2y=132
xy=1080
Let x=1080/y
2160/y + 2y=132
2y^2 - 132y +2160=0
2(y^2-66y+1080)=0
2(y-30)(y-33)=0
y=30 or y=33
(36,30) or (30,36)
So... x=30,36 and y=36,30. Either way, the answer is 30 by 36 or 36 by 30.
4 : 28 is the same as 4/28
4/28 = 1/7
The answer is C
I mile = 60 / 3 = 20 minutes. Answer: The school is 1 mile from Emma's house. Lennox Obuong Algebra Tutor Nairobi, Kenya ...
