Answer:
Its the third option
Step-by-step explanation:
because they are mirroring each other on the two different lines, it shows the two lines are parallel
$52.5
Explanation:
$10.50 × 5 = $52.5
Answer:
Step-by-step explanation:
-(x-20)
Basically it’s the same as your other question but your not adding twenty!
Assuming that your own ticket is already secured.
From the 5 friends you can only choose 3.
The order in which these friends are chosen is not relevant. So this is a Combination problem.
Where the order is relevant the problem becomes a Permutation problem!
So the answer is 5 combination 3. = ⁵C₃
⁵C₃ = (5 * 4 * 3) / ( 3 * 2 * 1) = 10
You can take 10 groups of any 3 of your 5 friends.