Hello,
y-intercept is -6
If x=0 then y=-6
You paid $9.60 for 4 pounds of potatoes. What is the unit cost of the potatoes?
2 answers:
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Answer:
480 miles
Equation:
Step-by-step explanation:
#First we calculate the average time it takes to walk one mile:
#We then calculate the number of miles he walks in 8 weeks.
-Given he walks one mile per day, 4 times a week;
#Multiply the distance traveled by the average time per mile to get total time spent:
Hence, the walking time over the 8 period will be 480 minutes
#This can be represent as:
Let w be the number of weeks and t be the time in minutes.
The time spent on walking per week is
Therefore the time spent walking in w weeks is represented as:
We know that
• It takes 8 hours to travel a certain distance at 36 miles per hour.
,• At 60 miles per hour, how long would it take?
We solve this problem using the rule of three, or proportions. The image below shows the given relations.
We form the proportion. We have to write down 60 as numerator because it has an inverse relationship, that is, the more speed the least time needed.
