Answer: Yes, 4-6 is the same as 4 + (-6).
Step-by-step explanation:
One reason why they are the same is because 4 - 6 equals -2 and 4 + (-6) also equals -2. You can turn 4 - 6 into 4 + (-6) by turning the subtraction sign to a plus sign and turn the positive 6 into a negative 6.
Answer:
f = (20 × 15) + (10 × 6)
Explanation:
You are just find how many fish are salt water and how many freshwater and adding them together. The total number of aquariums is irrelevant in this case.
Answer:
Step-by-step explanation:
The total number of tickets is the sum of the number of adult tickets and the number of kid tickets.
Total tickets, 2 adult tickets and 16 kids tickets: 2 +16 = 18
Total tickets, a adult tickets and k kids tickets: a +k
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<em>Additional comment</em>
The total <em>price</em> is a different matter:
$12(2) +$7(16) = $136 . . . for 2 adult and 16 kids
12a +7k . . . for 'a' adults and 'k' kids
