All of them except B and C. Probabilities must add to 1 and none of the p's can be negative
Answer:
The drama club bought 35 t-shirt
Step-by-step explanation:
Let
t-shirt = x
Sweatshirt = y
Total cost = $795
They purchase 20 more tshirts than sweatshirts
x = y + 20
The equation is:
12x + 25y = 795
12(y + 20) + 25y = 795
12y + 240 + 25y = 795
37y = 795 - 240
37y = 555
y = 15
Substitute y = 15 into
x = y + 20
x = 15 + 20
x = 35
t-shirt = 35
Sweatshirt = 15
The drama club bought 35 t-shirt
Answer:
srry
Step-by-step explanation:
Answer:
159.75
Step-by-step explanation:
23.50×5=117.5
117.5+42.25=159.75
Answer:
$ 929
Step-by-step explanation:
Given: Original price of stay in hotel= $240 per night
Discount= 25%
Total taxes and fee = 29%
Now, finding the price of stay for four night.
Using unitary method to solve:
As we know original price of hotel stay per night is $240
∴ Price of four night stay at original price is 
Next, 25% discount given on the price of four night stay.
∴ 
= 
∴Price of four night hotel stay after discount is 
Now, 29% taxes and fees been added to the price.
Price of hotel stay after discount + Taxes paid.

= 
∴
is the price to be paid for four night stay at hotel after discount and taxes.