Answer
The distance between to her house and the school is 1.575 miles.
Step by step explanation
Eugene walked all the way to school = 3mph
She ran back at the rate (r) = 7 mph
Let's "d" is distance between her house and the school.
time(t) = distance/rate
Time taken = 45 minutes
d/3 + d/7 = 45/60
Now we have to find the LCD of 3 and 7, that is 21
(7d + 3d)/21 = 45/60
10d/21 = 45/60
Cross multiply and find the value of "d"
10d * 60 = 45*21
600d = 945
d = 945/600
d = 1.575 miles
The big garden is 24 square feet for the area
is the scale factor supposed to be 3.434 or something?
Answer:
If you're supposed to use elimination to find (x, y) the answer is (6, 1)
Step-by-step explanation:
Add:
2x+3y=15
x-3y= 3
y cancels out and left with...
2x=15
x=3
that becomes
3x=18
find x
18/3= 6
x=6
Then plug in x (which is 6) to one of the equations to solve for y
6- 3y= 3
-3y= 3-6
-3y= -3
y= 1
(x, y) equals (6, 1)
