Answer:
1000(1/20000) +
300(2/20000) +
10(20/20000) +
=
1800/20000 = .09
Step-by-step explanation:
Each ticket purchased is expected to win 9 cents
Each ticket purchased cost 75 cents
If you interpret expected winnings per ticket to include the cost then each ticket is expected to lose 66 cents.
the answer for 53. is the gram.
Answer:
The missing number is 20
Step-by-step explanation:
Given function: f(x) = 1/2x + 10
Rewrite: y = 1/2x + 10
Flip x and y: x = 1/2y + 10
x - 10 = 1/2y
2(x-10) = y
2x - 20 = y
y = 2x - 20
h(x) = 2x - 20
Rate is a ratio of different units ( a quantity times a quantity), such as miles per hour.
Unit rate is a rate with a denominator of 1.
To find unit rate, divide the total cost by the quantity:
0.89 / 16 = 0.0556 per ounce.
