Posted by **Rezu** on Thursday, May 17, 2012 at 7:29pm.

If Sally places a rocket that is 3 feet 6 inches tall atop a launch pad that is 1 foot 8 inches tall, how tall will the entire unit, rocket and launch pad, be when she is done?

A.5 feet 4 inches

B.5 feet 2 inches

C.1 foot 8 inches

D.4 feet 2 inches

B?

3 feet 6 inches converts as:

3 feet x 12 inches/foot = 36 inches.

36 inches + 6 inches = 42 inches.

1 foot 8 inches converts to:

1 foot x 12 inches/foot = 12 inches.

12 inches + 8 inches = 20 inches.

Then

42 + 20 = 62 inches.

62 divided by 12 = 5 remainder 2,

which is 5 feet 2 inches.

Is this correct?

- Math -
**bobpursley**, Thursday, May 17, 2012 at 9:49pm
yes, and yes.

- Math -
**Josh **, Thursday, June 23, 2016 at 1:41pm
B

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