Question 39696

Equations/39696 (2006-05-28 15:04:56): Please help me answser the following guestions. 
Converting a fraction to a repeating decimal
26/9 write as a decimal. If necesssary, use a bar to indicate which digit or group of digits repeat. 
26/9 = 2.8 witha bar over the 8

Ordering fractions
Use <,>, or = to order the three fraction paris below
(a) 3/8 [ ] 15/40
Cross multiply to get 120[]120; so [] should be =
(b) 5/11 [ ] 4/9
Cross multiply to get 45[]44; so [] should be >
(c) 11/14 { ] 3/4
Cross multiply to get 44[]42; so [] should be >
 

Solving a linear equation with several occurances of the variable: Problem 1
Solve the following equation for t:
7 (t - 8) + 2t = -20
Simply your answer as much as possible
7t-56+2t=-20
9t=76
 t=76/9

Additive property of equality: Problem type 2
What is the value of w if
w - 4(2+3) = -5*2 
w-4(5)=-10
w-20=-10
w=10
Cheers,
Stan H.