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Arlecino [84]
3 years ago
11

What's 80/100 times $90

Mathematics
2 answers:
Fofino [41]3 years ago
7 0

Answer:

72

Step-by-step explanation:

Well to make life easier just simplify the fraction

80/100 could be simplified to 4/5

4/5*90 is 72

ikadub [295]3 years ago
6 0

Answer:

72

Step-by-step explanation:

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In a college of exactly 2720 students, exactly 65 % are male. what is the number of female students?
qaws [65]
Multiply 2720 by 65% or 65/100
176800/100 = 1768 This is how many males there are. Now subtract 1768 from 2720 you will get how many females there are
2720-1768 = 952 females
7 0
3 years ago
NEED HELP RN!!!!!
Kazeer [188]

Answer:

4(2n-5)

Step-by-step explanation:

So we know Valerie has 5 less than double the number of brad's books. Brad has n books, so make that 2n to double it.

Because she has 5 less than that, the expression is now 2n-5. The is the total of Valerie's books.

We know that Brad has 4 times the number of Valerie's books, so just multiply that expression by 4.

The final answer is 4(2n-5).

You're welcome. :)

4 0
4 years ago
Solve C = 2mr for r could not make the correct sign for m
Ksju [112]

Answer:

C = 2mr =

r=

m=

Step-by-step explanation:

Not sure if it's correct.

3 0
3 years ago
yesterday, Jack drove 40 1/2 miles. he used 1 1/4 gallons of gasoline. What is the unit rate for miles per gallons
Amanda [17]


From the information we have, Jack drove 401/2 miles and used a total of 1 1/4 gallons of gasoline.

We need to find out how many miles he travelled  per each gallon.

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So now we form an equation.

40.5 = 1.25

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Where x is the number of miles per gallon

We cross multiply the equation

40.5 * 1 = 1.25 * x


40.5 = 1.25x

40.5 / 1.25  = x

 32.4 = x

x = 32 .4

So the unit rate for miles per gallons is 32.4 miles per gallon


3 0
4 years ago
GEOMETRY: You are building a shelf that fits in a corner. In the figure, the entire shelf is IJK . Each unit in the coordinate p
arsen [322]

Answer:

A= 12.5 inches²

Step-by-step explanation:

a=1/2bh

a=1/2(5)5

a=1/2(25)

a= 12.5

3 0
3 years ago
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