Answer:
30%
Step-by-step explanation:
<h2><u>Percentage change </u></h2><h3>formula :</h3>

= 50 - 35 = 15
= 
<h3>=
30 %</h3>
X2+-4x+4=20 the final answer is 20!
Answer:
-11x +3y + 25
Step-by-step explanation:
7-8x+4y+18-3x-y
= -8x-3x +4y-y +18+7 (putting like terms together)
= -11x +3y + 25 (Adding like terms)
Answer:
Second Man = (2 Hours * 1.3333 Hours) / (2 Hours - 1.3333 Hours)
Second Man = (2.6666666667 ) / (.666666667)
Second Man (when working alone) = 4 Hours
Step-by-step explanation: