Answer:
121.5
Step-by-step explanation:
40.5*3=121.5
Think of it like this
4x=2x+6
subtract two from 4
2x=6
x=3
Answer:
S=4
Step-by-step explanation:
Answer:
2.95g+9.72f=total cost
Step-by-step explanation:
Answer:
b. x = 11/8, x = 59/72.
Step-by-step explanation:
4|8x - 6| = 5|-8x + 7|
square both sides:
16(64x^2 - 96x + 36) = 25( 64x^2 - 112x + 49)
1600x^2 - 1024x^2 - 2800x + 1536x + 1225 - 576 = 0
576x^2 - 1264x + 649 = 0
x = [1264 +/- √(1264^2 - 4 * 576* 649)] / (2*576)
x = 11/8, x = 59/72.