Answer:
k= 11/2
Step-by-step explanation:
Answer:
44552523/////////////////////////////////////////////////////////////////////
Step-by-step explanation:
Answer:
She can travel 15 miles
Step-by-step explanation:
I first found my answer by adding 1.75 and 2.50 together
giving me 4.25
I then made the equation
4.25+ 1.05x = 20
Subtract 4.25 from both sides that leaves you with
1.05x = 15.75
divide 1.05x on both sides
x= 15 is your solution
8x + 3y = 20.50
-
4x+5y=22.50
=
4x-2y=-2, so you have to divide each number by 2, then
2x-y=-1, so
-y=-1-2x /-1, y=1+2x, then replace it with one original equation like the first one for instance:
8x+3(1+2x)=20.50, then
8x+3+6x=20.50, then
14x=20.50-3
14x=17.5
x=1.25, then solve y:\
y=1+2*(1.25)
y=1+2.5
y=3.5,
So answer is x=1.25, and y=3.5
