24/36
Let one car travel at x mph
The other car travels at x+10 mph
Their combined speed is 2x+10 mph.
Distance = 500
time = 500 /2x+10 =5
10x+50=500
10x= 450
x=45 speed of one car
The other car travels at 45+10 = 55 mph
Answer:
117 grams
Step-by-step explanation:
So this is a oddly phrased question but I believe I understand it. You need to find 10 percent of 1170 grams and that it 117. And for you information I did use calculator to prevent error so don't worry about that.
Part B: How many cars does Cory have after 6 years? How many does Roger have after the same number of years?
Part C: After approximately how many years is the number of cars that Cory and Roger have the same? Justify your answer mathematically.
Answer:
Step-by-step explanation:
Part A:
For Roger:
For Cory:
where y is the total number of cars each boy collects over the year, x as the number of years passed.
Part B:
For Roger: 46
For Cory: 44.79~ 45 cars