3r = 10 + 5s, where r = 10
Substitute 10 for r.
3(10) = 10 + 5s
30 = 10 + 5s
Subtract 10 from each side.
20 = 5s
Divide by 5.
4 = s
Answer:
10:30
Step-by-step explanation:
Half an hour is 30 min
Answer:
I am pretty sure it is the first one. Hope that helps
Step-by-step explanation:
Answer:
um15
Step-by-step explanation:
when it add and subtract is 15
