What you would do is simply plug in 8 where y is and solve.
5(8)=3478-3c -Times 5 by 8
40=3478-3c -Add 3c to the opposite side of the equal sign
40+3c=3478 -Subtract 40 from the opposite side of the equal sign
3c=3438 -Divide equation by 3
c=1146
Hope this helps! :)
Answer:
40 mph
Step-by-step explanation:
10 miles*4 hours = 40 miles
The coefficient is the number multiplied by the variable (the letter)...so ur coefficient in this problem is 7
I think it's B. because 4,310 divided by 72 is about 59. And 4,200 divided by 70 is 60.
