Answer:
b = 5
Explanation:
add both of the equations together
3a - c = 5b
3a + 3b - c = 40
= 3b = 40 - 5b
then make it equal to 40 meaning
8b = 40
b = 5
The expression that evaluates to true if a discount should be given is:
<h3>What is the meaning of the expression?</h3>
The symbols above represent less than and greater than respectively. So, the instruction is that children who are less than 10 should be given a discount while those who are greater than 55 should also be given a discount.
So, the symbols as used respectively are less than and greater than. So, the expression provided above is correct.
Learn more about the symbols less than and greater than here:
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Answer:
it is 4 feet i got it right on the test
Explanation:
The railway engineers always leave a small gap between two rails to compensate for the expansion of the rails