In this type of problem, we would want to use a system of linear equations.
First, we need to find our equations. We know that the two boys traveled 275 km in total, and since x and y count the distance traveled (just in different modes of travel), we can write: x + y = 275.
Next, the problem says that they biked 55 km more than they bussed. So, x = y + 55.
Now that we have two equations to solve for two variables, we can lay them out next to each other:
x + y = 275
x = y + 55
We see that we can substitute x in the first equation with y + 55. This gives us
(y + 55) + y = 275
We solve for y and get y = 110 km by bus. But, we want to know how far they traveled by bike. So, since x = y + 55 and y = 110, we can solve for x by doing 110 + 55 = 165 km by bike.
The answer is 165 kilometers.
Answer:
The chef uses 5452.8 grams of butter each day.
Step-by-step explanation:
Given:
Chef use 12 pounds of butter each day.
To find the amount of butter in grams used by chef each day.
Conversion units:
1 pound = 16 ounces
1 ounce = 28.4 grams
Solution:
We need to convert 12 pounds of butter in grams of butter.
We will apply unitary method to carry out the conversion.
If 1 pound = 16 ounces
Then, 12 pounds = 
If 1 ounce = 28.4 grams
Then, 192 ounces = 
Thus, the chef uses 5452.8 grams of butter each day.
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Answer:
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Step-by-step explanation:
The interquartile range is 6.
Q3-Q1=IQR
17-11=6
