Jackie works in a pet store and is in charge of feeding the cats and dogs. Each dog eats 5 cups of pet food a day and each cat eats 3 cups of pet food a day. Altogether she prepares 110 cups of food a day for the 30 cats and dogs. Which systems of equations can be used to find the value of c, the number of cats that Jackie feeds, and d, the number of dogs Jackie feeds? * 10 points
A. c+d=110 and 5c+3d=30
B. c+d=30 and 5c+3d=110
C. c+d=110 and 3c+5d=30
D. c+d=30 and 3c+5d=110

true !

step-by-step explanation:

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560

answer: $1794

step-by-step explanation: