First to find what’s 2x you do 25-11=14, and you know that 7 x 2 =14.
So x= 7.
Answer:
They are 12 girls in class
Step-by-step explanation:
Answer:
6.32 hours
Step-by-step explanation:
992-42=950$ the washer cost 950 dollars
Answer:
C
Step-by-step explanation:
0.1(x - 100)² + 250
0.1[(x - 100)(x - 100)] + 250
0.1(x² -200x + 10000) + 250
0.1x² - 20x + 1000 + 250
0.1x² - 20x + 1250
0.1x² - 25x + 5x + 1250
0.1x(x - 250) + 5(x + 250)
∴ (0.1x + 5)(x - 250) or (0.1x + 5)(x + 250)
