Answer:
option D. Car A has the same speed as car B.
Answer:
a = 20
Step-by-step explanation:
The mean is calculated as
mean = 
=
= 
Then
= 27 ( multiply both sides by 5 to clear the fraction )
115 + a = 135 ( subtract 115 from both sides )
a = 20
Answer:
Step-by-step explanation:
x = number of pounds
5x<30
x<30/5
so she can buy X<6 pounds
C = 5 + b
Step by step explanation:
Step-by-step explanation:
=2(6×+7)(7×-4)
=2(+42)(-32)
=2×+42×-32
=84×-32
=-2688