I'll take this challenge since I'm not feeling lazy for once.... x would represent Gavin and y would represent Seiji.
a.
b. I will solve your system using substitution.
<span>Step 1: Solve </span>

for x

(add -y for both sides)

<span>Step 2: substitute </span>

for x in


<span>
</span>


(simplify both sides of the equation)

(add -425 to both sides)<span>
</span>


y=200
step 3: substitute 200 for y in





c. Already answered with the picture that is attached.
d. Gavin earned 225 dollars while Seiji earned 200 dollars.
Answer:
0.31104
Step-by-step explanation:
Given that according to the Sydney Morning Herald, 40% of bicycles stolen in Holland are recovered.
If X represents the number of bicyles stolen in Sydney, X is binomial
because each cycle to be stolen is independent of the other.
Also there are two outcomes
n = 6, p = 0.40
Required probability = the probability that, in a sample of 6 randomly selected cases of bicycles stolen in Holland, exactly 2 out of 6 bikes are recovered
==P(X=2)
=
It would be angle 1. to explain complementary means it adds up to 90