exam Maths Puzzle Numerical Ability

Jose has savings account for each of his 5 children. They contain $215,$156,$318,$75 and $25.Find the median and the mean amount of money per account.

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exam Other Question

a plane is flying from NYC to SF. It normally flies 300 mph. there is 30 mph wind heading west to east. How long does it take to fly 200 miles to SF and how long does it take to fly 200 miles back to NYC Find the slope and the y-intercept.
y = -9x - 5