Answer:
25 questions
Step-by-step explanation:
At a math competition 2 students can answer 40 questions in 1 hour.
Therefore, 1 student can answer in 1 hour = 
= 20 questions
5 students can answer in 1 hour = 20 × 5 = 100 questions
60 minutes = 1 hour
15 minutes =
= 0.25 hours
5 students can answer in 0.25 hours = 100 × 0.25
= 25 questions
5 students could answer 25 questions in 15 minutes.
8 is a possible Variable A when Variable B is 3 because the line crosses through that point.
Answer:
-
-
+
+
Step-by-step explanation:
Answer:
f
Step-by-step explanation:
Answer: 18
Proof:
Step 1: Add what's in the parentheses - (4+1) = 5
Step 2: Subtract 5 - 2 and multiply that by the sum of the parentheses - 5-2 = 3(5) = 15
Step 3: Add 3 - 15 + 3 = 18