exam Maths Puzzle Numerical Ability

One number exceeds three times a second number by 7. The sum of twice the larger number and four times the smaller nu
mber is 44. What are the numbers?

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exam Other Question

okay i have two problems

2^(2/3x+1)-3x2^(1/3x)-20=0


also,

2^2x-1 -3x2^x-1 +1=0

help, please.
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