From the expression 2f + 5(8-f), we know that Karla caught f purple dot fish, and (8-f) green dot fish, because green dot fish gives 5 points.
2f -points for the purple dot fish, f is a number of the purple dot fish.
5(8-f) - points for the green dot fish, (8-f) is a number of the green dot fish.
So,
altogether she made 8 attempts.
One attempt cost 50 cents,
8 attempts cost 8*50=400 cents = $ 4.
Answer is B. 4 (dollars).
Answer:
a(4) = -18
Step-by-step explanation:
The fourth term in the sequence is when n = 4. Substitute n = 4 into the rule a(n)=-6-4(n-1).
a(4) = -6 - 4(4-1)
a(4) = -6 - 4(3)
a(4) = -6 - 12
a(4) = -18
Answer:
Your right the answer is B a=60
, b=120
A ratio of 1:2 just means one value is twice that of the other.
Answer:
There are 21 seats in one row, and there are 147 seats in 7 rows
Step-by-step explanation:
63÷3=21 / 21×7=147
