Wait wut does that mean tho
10v + 6b = 276
5v + 2b = 117......multiply by -2
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10v + 6b = 276
-10v - 4b = - 234 (result of multiplying by -2)
------------------add
2b = 42
b = 42/2
b = 21 <=== buses can hold 21 students
5v + 2b = 117
5v + 2(21) = 117
5v + 42 = 117
5v = 117 - 42
5v = 75
v = 75/5
v = 15 <=== vans can hold 15 students
The rule of distributive property allows you to rewrite xa + xb as x (a + b).
So if x = 2, a = 3 and b = 4, xa + xb = x(a + b)
(2 * 3) + (2 * 4) = 2 (3 + 4)
6 + 8 = 14
14 = 14
...and so on. You may try it yourself with different variations.
Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more.
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Answer:
It is Greater than or equal to -3
C
Reason:
A filled dot means greater/less than or equal to.
Its is A the first one
Because 1/5 , 2/10 , 3/5 , 4/20 , 5/25 , 6/30
