exam Maths Puzzle Numerical Ability

There are 132 more silver dollars than 50-cent pieces.
The ratio of the silver dollars to 50-cent pieces is 5:2.
So how many of each coin are there?

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exam Other Question

4. Solve
x + y - z = 0
2x - y + z = 6
-x + y + z = 8
Show your answers as (x,y,z)

PLEASE SHOW ALL WORK
THANK YOU You are considering the purchase of a $1,000 par value bond. The bond is currently selling for $500 and (very un-typically) pays $20 quarterly. It matures in 20 years.

a. What