Proportions and Percents

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Proportions and Percents
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A stock sold for 18 per share two months ago.
Today its price is 15 per share. Find the
percent of decrease.
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A stock sold for 18 per share two months ago.
Today its price is 15 per share. Find the
percent of decrease. x/100 3/1818x 300x
16.7
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A map has the scale 1 cm 0.5 km. If the actual
distance between 2 cities is 12 km, find the
distance on the map between the two cities.
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A map has the scale 1 cm 0.5 km. If the actual
distance between 2 cities is 12 km, find the
distance on the map between the two cities. 1
cm/0.5 km x cm/12 km0.5x 12x 24 cm
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If 14/7 8/x, find x.
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If 14/7 8/x, find x. 14x 56x 4
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Claire receives a commission of 6 on her total
sales. Last week her commission was 34.32. What
was the total value of her sales for the week? 
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Claire receives a commission of 6 on her total
sales. Last week her commission was 34.32. What
was the total value of her sales for the
week? 6/100 34.32/x6x 3432x 572 
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The price of a jacket was 25. It has been
discounted 7.50. Find the discount rate.
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The price of a jacket was 25. It has been
discounted 7.50. Find the discount rate. x/100
7.50/2525x 750x 30
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The Cortells heating bill is 24 higher this
month than last month. The bill this month is
75.52. What was the bill last month?
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The Cortells heating bill is 24 higher this
month than last month. The bill this month is
75.52. What was the bill last month?124/100
75.52/x124x 7552x 60.90
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The Ski Club has 50 members. If 36 members attend
the ski trip, what percent attends the ski trip?
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The Ski Club has 50 members. If 36 members attend
the ski trip, what percent attends the ski
trip?x/100 36/5050x 3600x 72
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Country Market is selling 2 containers of yogurt
for 1.18. How many containers can you buy for
2.95?
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Country Market is selling 2 containers of yogurt
for 1.18. How many containers can you buy for
2.95?1.18/2 2.95/x1.18x 5.9x 5
containers
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306 is 51 of what number?
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306 is 51 of what number? 51/100 306/x51x
30600x 600
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Jan received a raise of 6 of her salary. She now
earns 38.69 per week working part time. How much
did she earn per week before her raise?
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Jan received a raise of 6 of her salary. She now
earns 38.69 per week working part time. How much
did she earn per week before her raise? 106/100
38.69/x106x 3869x 36.50
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Last year my sneakers cost 58.89. This year they
cost 64.39. Find the percent of increase rounded
to the nearest whole.
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Last year my sneakers cost 58.89. This year they
cost 64.39. Find the percent of increase.
64.39 58.89 5.50 amount of increasex/100
5.5/58.8958.89x 550x 9 rounded to the
nearest whole