8x=6x+20
Btw I figures it out x=10
The answer to this problem would be 2.5.
Step-by-step explanation:
Let x be the miles Kenyon ran on tuesday
Let y be the miles Kenyon ran on thursday
Given,
Mon + Tues + Wed + Thu = 8mi

also given,

Now we have x + y = 5.2 as equation 1 and -x + y = 0.4 as equation 2
Using equation 1,

Substitute this equation into equation 2.

Substitute y = 2.8 into equation 1.

Therefore Kenyon ran 2.4 miles on tuesday, and ran 2.8 miles on thursday.
S=2g or y=2x because you are multiplying Christina score by two to get Sarah's score.
Pythagorean theorem- a^2+b^2=c^2
a= 10
b= 15
c= ?
10^2+15^2=?^2
100+225=?^2
325=?^2
√325=?^2
18.027....