$5 each car
3 hours = 12 cars
÷3 ÷3
1 hours = 4 cars
×8 ×8
8 hours = 32 cars
32 cars × $5 per car =
$160
They earned $160 in 8 hours, from washing 32 cars.
Use the Quadratic formula,
x= -b +/- sqrt(b^2-4ac)
-------------------------
2a
x= 4 +/- sqrt(16+12)
----------------------
-6
x = 4+/- sqrt(28)
---------------
-6
x = 4 +/- 2*sqrt(7)
------------------
-6
x= 2(2+/- sqrt(7))
------------------
2(-3)
x= 2+/- sqrt(7)
--------------
-3
Answer: The conculsion is you lost some teath
Step-by-step explanation:
Answer:
<6 = 50 percent
Step-by-step explanation:
<2 = <5 = <7 = <9 = 130 percent
<1 + <2 = <6 + <7 = 180 percent
180 percent - <7
180 percent - 130 percent = 50 percent
<6 = 50 percent
