The answer is d) the mathematical work shown above is correct<span>proof
</span>a+b-2(ab-a) = a+b-2ab+2a = <span>3a+b-2ab
</span>
6 adults - 6*39.50= 237
11 kids. - 11*31= 341
341 + 237 = 578
Answer:
You're correct
Step-by-step explanation:
Good job :)
Answer:
16767
Step-by-step explanation:
Each new term is found by multiplying the previous term by 3. Thus, 3 is the common ratio. The formula for this geometric series is therefore
a(n) = 23*3^(n - 1).
The 7th term is a(7) = 23*3^6 = 16767
Answer:
3.36
Step-by-step explanation:
16.80/5=3.36