Answer:
$1200
Step-by-step explanation:
S + C = 1200
S = C + 900
C + 900 + C = 1200
2C + 900 = 1200
2C = 300
C = 150
The chair costs $150. The sofa is $1050.
Together they cost $1200.
Answer:
4.625
Step-by-step explanation:
All you do is divide 15/24 and then add the four before the decimal, and BOOM there is your answer! Good Day!
4x10^-3 is another way to represent 3^-5
Answer:
-1/11
Step-by-step explanation:
add 1/6 to both sides
make the same denominator 12 on the right side
solve
multiply by 12 both sides
11x= -1 divide by 11
x= -1/11
X = (23+39)/ 2 = 62/2 = 31
answer
x = 31