26% is the answer to your question
15 = 0.23x
x = 65.2
therefore 15 is 23% of 65.2
Eighteen tens < 21 × (5+5)
Hope this helps!
First you gotta distribute.
4 (1.75y - 3.5) + 1.25y
4 * 1.75 y = 7
4* (-3.5) = (-14)
7y - 14 + 1.25y
Combine like terms
8.25y - 14
the distance between (8,0) and (1,0) is 7 units