According to market research, the average consumer spends $90 per trip to the mall on the weekends and only $66 per
trip during the week.
1) Write an algebraic expression to represent how much the average consumer spends at the mall in x
weekend trips and y weekday trips.
2) Evaluate the expression to find what the average consumer spends after going to the mall twice during
the week and 5 times on the weekends.
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i dont know sorry

step-by-step explanation:

found it xd it ok yt

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

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