Answer:
Discount = Original Price x Discount %/100
Discount = 37.99 × 80/100
Discount = 37.99 x 0.8
You save = $30.39
Final Price = Original Price - Discount
Final Price = 37.99 - 30.392
Final Price = $7.60
Yes it is the same. 1/4 +1/4 = 1/2. so 9/10-1/2=9/10-1/2
0.09/10=0.009
we check it: 0.009*10=0.09, so it's right
Answer:
0.1-0.2 is a change of 100% as it is doubled.
Half (or 26) of the cards are red, and the rest are black.
P(randomly selected card is red) = 26/52 = 1/2.
