Answer:
$6
Step-by-step explanation:
$39.84≈$40
tip=15% of 40=0.15×40=$6.00
If a=2 then you would have u=3b-2(2) or u=3b-4 :)
1.46 would be taken away so the marked down price would be 2.73
Answer:
83/13 or 6.3846
Step-by-step explanation:
i subsituted for x and used a calculator
Answer:
x=1, y=2
Step-by-step explanation:
solve by substitution so substitute x= 6y-11 in the next equation
3 (6y-11) - 2y = -1
18y -33-2y = -1
16y = 33-1
y= 32/16 =2
x= 6y -11 = 6*2 -11 = 12 -11 = 1