The best estimate would be 35%.
7 out of the 20-coin sample were from before 1980; 7/20 = 35%.
Answer:
500 ➗ 11 × 7
500 ➗ 11=45.454545454545(45.5)
45.5×6=273
Guestion 1 is #1 #4 #9 Question 2 is #5 #6
Answer:
The charge for shovelling snow for 6 hour is 72 hours
Step-by-step explanation:
Given as :
The charge for shovelling snow for 2
hours is $30
Let The charge for shovelling snow for 6 hours = $ x
Now, Applying unitary method
∵ The charge for shovelling snow for 2
hours = $30
or, The charge for shovelling snow for
hour = $30
So, The charge for shovelling snow for 1 hour =
hour
∴ The charge for shovelling snow for 6 hour =
× 6 hours
I.e The charge for shovelling snow for 6 hour =
hours
= 72 hours
Hence The charge for shovelling snow for 6 hour is 72 hours Answer
Answer: 1/7 miles per minute ≈ 0.14 miles per minute
For mph you multiply the result by 60
60/7 miles per hour ≈ 8.57 miles per hour