Answer:
Step-by-step explanation:
Cheapstore:
500p÷10=50p×2=100p or £1
£4=600g
Superstore:
600g÷10=60g×3=180g+600g
£5=780g
600÷4=150g per pound
780÷5=156g per pound
The box from Superstore is best value
The conclusion is valid
it is a systematic random sample
and the second one is a line graph (I think)
Answer:
x = 
Step-by-step explanation:
Since you cannot subtract -1 from 4x, you multiply 2 × 4x = 8x
Now, you have 8x - 1 + 3 = 7
Seperate the 8x from the other numbers
8x = 1 - 3 + 7 ---> 6
8x = 6
Now simplify
x =
<----- to reduce, divide the numerator and denominator by 2
Hence,
x = 
Answer:
D. 3
Step-by-step explanation:
√36 = 6
√4 = 2
√36/√4 = 6/2 = 3
D. 3
One hundred fifty three thousand