Theres nothing we can do to hhelp u bruh
Well, since you have the value of b, the first thing you want to do is substitute that value in for b.
5a - 10(3) = 45
10*3 = 30
5a - 30 = 45
Now, to get the variable by itself (a) you have to + 30 because you have to reverse the subtraction.
5a = 75
Now, you divide by 5 to finish getting a by itself.
a = 15
Hope this helps!
Answer:
→Boys=6
→Girls=14
Step-by-step explanation:

The answer is 54 feet because 15+15+12+12=54
Hope this Helps :D
Answer:
-6 2/3
Step-by-step explanation:
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