Question 1

Graham practiced piano for $135$ minutes this morning. He practiced for $65$ more minutes this afternoon. Altogether, Graham practiced $10$ times longer today than he practiced yesterday.
How many minutes did Graham practice piano yesterday?

Accepted Answer

20

Answer

2000

Answer

2

Answer

200

Question 2

Mt. Etna is a volcano that measures 10,925 feet above sea level at its highest point. This is $11,664$ feet less than the height of the world's highest volcano. What is the height, in feet, of the world's highest volcano?

Accepted Answer

$22,589$

Answer

$21,589$

Answer

$21,599$

Answer

$22,581$

Question 3

The number of houses in each of three cities is shown below.

$\quad\bullet\enspace$ City $1$ has $49,508$ houses.
$\quad\bullet\enspace$ City $2$ has $650,279$ houses.
$\quad\bullet\enspace$ City $3$ has $124,908$ houses.

What is the total number of houses in all three cities rounded to the nearest thousand?

Accepted Answer

$825,000$

Answer

$820,000$

Answer

$823,000$

Answer

$824,000$

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