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3) An inflatable pool is being filled using two hoses. One hose can fill a 1 gallon bucket in 30 seconds, the other can fill the same bucket in 20 seconds. If the hoses are left on for 20 minutes how many gallons of water are there in the pool?
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- Hose #1 rate = _____ gallons/minute
- Hose #2 rate = _____ gallons/minute
- Combined rate = _______gallons/minute
- Multiply this rate times the time to get the number of gallons in the pool:
= ___________ gallons.
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4) A wooden shipping crate is measured for shipping. Its
length is 8 feet and its girth (going completely once around in
the direction perpendicular to the length) is 24 feet. The
surface area of the lid of the crate is 40 square feet. The
dimensions are whole numbers of feet. What is the volume of
the crate in cubic feet?
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The lid is the rectangle on the top, not the shaded side.
- If the top area is 40 sq. ft. then the width of the lid is _______ ft.
- Using the girth of 24 feet, the other dimension must be _____ feet.
- Therefore the volume is ________ cu. ft.
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5) On Tuesday, March 6 Shelby looks at her digital clock and it reads 6:40 and 00 seconds. Exactly a week later down to the second by her atomic watch (which keeps perfect time), Shelby looks at her digital clock and it reads 6:50 and 00 seconds. What time will it show to the nearest second in exactly 48 hours if she leaves the clock alone?
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- The digital clock gains _____ minutes over 7 days
- 48 hours is ____ days, so the clock will gain
___________ seconds
- Convert this to minutes and seconds and add to the read time.
Digital clock readout time = ________________
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