Answer:
Option A: 3x + 5x - 4 = 1
Step-by-step explanation:
Given equations:
3x + y = 1 ------------ eq1
y + 4 = 5x ---------- eq2
eq2 can also be written as:
y = 5x - 4 ----------- eq3
By substituting value of y from eq 3 into eq1, the resulting equation will be:
3x + 5x - 4 = 1
i hope it will help you!
For the first one...
1,15
2,30
3,20
and for the second one is the same as the first one.
EXTRA CREDIT:
Week one increases by 15, week two increases by 15 but week three decreases by 15. The total miles ran would be 15 miles
15+15=30 30-15=15 miles
Step-by-step explanation:
4 miles / 27.8 min = 0.14388 miles per minute
26.2 / 0.143888 = 182.1 min
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