During the month of February, Fabulous Feet Shoe Mart sold 48 pairs of red loafers. After an ad campaign to boost sales, they sold 60 pairs in March. Find the percent of increase in sales.
A. 29%
B. 19%
C. 25%
D. 15%
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OpenStudy (anonymous):
@jigglypuff314
jigglypuff314 (jigglypuff314):
48x = 60
x = 60/48
OpenStudy (anonymous):
D
jigglypuff314 (jigglypuff314):
x = 1.25 -> 125%
so from 100% to 125%
difference is and increase of 25%
OpenStudy (anonymous):
oh okay, got it :)
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OpenStudy (anonymous):
jigglypuff314 (jigglypuff314):
area of triangle = (1/2)(base)(height)
plug in so 60 = (1/2)(12) (height)
so height = 60 / 6 =
OpenStudy (anonymous):
D :)
jigglypuff314 (jigglypuff314):
yep :)
OpenStudy (anonymous):
In the diagram, the figures are similar. What is x?
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jigglypuff314 (jigglypuff314):
\[\frac{ x }{ 8 } = \frac{ 3 }{ 7 }\]
OpenStudy (anonymous):
c
jigglypuff314 (jigglypuff314):
not quite
x = 8 * 3 / 7 = 3.43
OpenStudy (anonymous):
ok thank you again
OpenStudy (anonymous):
A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle shown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft tall, how tall is the tree?
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jigglypuff314 (jigglypuff314):
\[\frac{ 5 }{ 2.5 } = \frac{ x }{ 10 }\]
OpenStudy (anonymous):
5
OpenStudy (anonymous):
20
jigglypuff314 (jigglypuff314):
20 is correct :)
OpenStudy (anonymous):
thank you so much :-)
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OpenStudy (anonymous):
What is the solution of the equation?
4.7x + 3.8 = 13.2
A. 3
B. 3.7
C. 2
D. 3.6
jigglypuff314 (jigglypuff314):
subtract 3.8 from both sides
divide both sides by 4.7
OpenStudy (anonymous):
C
jigglypuff314 (jigglypuff314):
that is correct :)
OpenStudy (anonymous):
What is the total cost of a $56.53 meal at a restaurant after including a 17% tip?
A. $3.33
B. $9.61
C. $66.14
D. $39.53
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jigglypuff314 (jigglypuff314):
56.53 * 1.17 =
OpenStudy (anonymous):
66.14
OpenStudy (anonymous):
John and 2 friends are going out for pizza for lunch. They split one pizza and 3 large drinks. The pizza cost $12.00. They spend a total of $16.95. Find the cost of one large drink.
A. $1.70
B. $1.65
C. $14.48
D. $2.48
jigglypuff314 (jigglypuff314):
brb
OpenStudy (anonymous):
b right
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OpenStudy (anonymous):
ok
jigglypuff314 (jigglypuff314):
Hi I'm back ;)
and B would be correct :)
OpenStudy (anonymous):
hi, and okay thank u :-)
OpenStudy (anonymous):
What is the solution of the equation?
jigglypuff314 (jigglypuff314):
subtract 27 from both sides
multiply both sides by 6
divide both sides by 4
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