Flowers

3 Roses and 4 Tulips cost $4.70.
2 Roses and 2 Tulips cost $2.80.
Find the cost of one of each.

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The Race

A car travels 10 mph faster
than a motorcycle.
They start 155 miles apart and
meet in 2.5 hours.
Find the speed of each one.

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Money!

A man invested $3400 in two parts.
The part invested at 4% has a profit.
The part invested at 3% has a loss.
His net worth was $73
How much is invested at each rate?

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The Angles

The three angles of a triangles
are in the ratio 4 : 3 : 5.
Find the number of degrees in each angle.

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How Old?

Lori is 4 times as old as June.
But, 9 years from now,
Lori will be 3 times as old as June.
How old is each now?

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The Triangle

The base of a triangle
is 4 inches less than 3 times the height.
The area is 7.5 sq. inches.
Find the base and height.

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Money Forever

A man wishes to receive $700 every half year, starting one half year from today, forever. At 6% p.a. compounded half-yearly, what amount must he invest today, to make this possible?

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Two Numbers

Two numbers sum to 10.
And 7 times the first plus
4 times the second is 58.
Find the two numbers.

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The Gears

The speed of a gear, S, varies
inversely as the number of teeth, T.
If a gear with 4 teeth goes 54 rpm,
how fast will a gear with 8 teeth go?

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Variation/Inverse/Quiz. Then click on any question,
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S1 / S2 = T2 / T1
54 / S2 = 8 / 4
(8)(S2) = (54)(4)
S2 = (54)(4)/(8)
S2 = 27
Thus S=27 rpm when T=8 teeth.

Jar of Coins

A jar contains $2.75
in nickels and dimes.
There are 39 coins in all.
How many of each are there?

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Word Problems/Coins/Quiz. Then click on any question,
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