Remember
you can do anyting to an equaiton as long as you do it to both sidess
distributive property
a(b+c)=ab+ac
commutativ property
a+b=b+a
distribute
3(4x-2)=12x-6
12x-6=9+2x+5
add 6 both sides
12x+6-6=9+6+5+2x
12x+0=20+2x
minus 2x
10x=20
divide 10
x=2
I did the calculations two ways. The last data item was 185.00!
I wasn't sure if this was correct or a typo. With 185.00: mean 33.31. STD dev 53.68. With 185.00 changed to 18.50: mean 14.81 std dev 2.75
L=1.5w
P=l+w
40=2.5 w
W=16
L=1.5(16) =24
Length is 24
Width is 16
Answer:
-0.43
Step-by-step explanation:
100/-43
$18.40 with the tip added to the price because the tip will be $2.40
