jessica runs a shop that rents canoes and bicycles. Last week, she rented canoes and bicycles for a total of 140 hours. The rental cost for each canoe is $24 per hour, and the rental cost for each bicycle is $8 per hour. Jessica earned a total of $1632 last week from renting canoes for x hours and bicycles for y hours. Write two equations in terms of x and y Jessica could use to determine how many total hours she rented canoes

x+y=140 and 24x+8y=1632

Step-by-step explanation:

The problem refers to creating a system of equation that'll solve for x. When you find the solution of these systems of equation you get x=32 and y=108

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

step-by-step explanation:

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