Answer:
Tip: 4,2
Total cost: 32,2
Step-by-step explanation:
Tip: (28×15)÷100 = 4,2
Total cost: Tip + original money
--> 4,2 + 28 = 32,2
Writing equivalent equations help you solve system of equations because it sets it up for being broken down part by part.
Answer: 1 Ticket
Step-by-step explanation:
- You need to find the number from the percentage
I do this by moving the decimals 2 spaces back (Divide by 100)
5%=0.05
- Multiply the number of tickets sold by the new percentage number
20x0.05=1
Answer 8x - 20
Step-by-step explanation:
6(2x - 3) - 2(2x + 1)
Distribute
6(2x) -6( 3) - 2(2x) -2( 1)
12x -18 -4x -2
Combine like terms
12x -4x -18 -2
8x-20
Answer:
102993702420
Step-by-step explanation: