Hello from MrBillDoesMath!
Answer:
11/30
Discussion:
(
11/12) x (2/5) = (11 * 2)/(12*5) = 22/60 = 11/30
Regards,
MrB
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.
Step 2 and all that follows is wrong because it should equal 20
