st + 3t = 6 for s
Subtract 3t to both sides
st + 3t - 3t = 6 - 3t
Simplify
st = 6 - 3t
Divide both sides by t
st/t = (6-3t)/3
simplify
s = 6/3 - 3t/3
s = 2 - t
Answer:
B
x is the price of the sweater so 3x and add $15 for the skirt which would add up to $90
Answer:
8/9
Step-by-step explanation:
divide both numerator and denominator by 3
therefore u get 8/9
You should get the app "photomath" that will help out alot!!!
