We must divide the total height by the size of the blocks to work out how many are in the tower
22.5 / 1.5 = 15 blocks
Answer:
The answer is 0
Step-by-step explanation:
-57 cancels out 57 making it 0.
Answer: red marble 7 out of 20 : 7/20 : 0.35: 35%
Step-by-step explanation:
Answer:
87.08% percentage of families spend more than $4000 annually on food and drink
Step-by-step explanation:
Given -
average annual expenditure on food and drink for all families is $5700
Mean
= 5700
standard deviation
= 1500
Let X be the no of families spend annually on food and drink
percentage of families spend more than $4000 annually on food and drink =
= 
=
Using 
= 1 - 
= 1 - .1292
= .8708
= 87.08%
What he/she said is correct