Answer:
(b) Find the odds in favor of Lena winning a headset
Step-by-step explanation:
Answer:
Your work is correct as far as it goes. Now eliminate the terms that are zero.
Step-by-step explanation:
Multiplying anything by zero gives zero. Adding zero is like adding nothing. Zero is called the "additive identity element" because ...
a + 0 = a
Adding zero doesn't change anything. You can (and should) drop the zero if your goal is to simplify the expression.

Answer:
C. 61%
Step-by-step explanation:
out of 100 people, 39 liked ketchup while 61 did not. The ratio and percentage is 61%
Answer:
30 for walking, 15 for biking
Step-by-step explanation:
150 divided by 5
150 divided by 10
4(x-2/3) = -18
4x - 8/3 = -18
4x = -54/3 + 8/3
4x = -46/3
x = -46/3 * 1/4
x = -46/12
x = -23/2
2x = -23/2 * 2
2x = -46/2
2x = -23