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3 years ago

12

I have a mixture of $1 and $5 bills. There are a total of 73 bills that total $233 dollars. how many ones and fives I have ?

1 answer:

ozzi3 years ago

8 0

Answer:

you have 33 ones and 40 fives

Step-by-step explanation:

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Ann and Tom want to establish a fund for their grandson's college education. What lump sum must they deposit at an 8.2% annual

GaryK [48]

Compound interest formula = a=P(1+r/n)^nt

P= lump sum to deposit (solving for)

A= amount accumulated over the entire time (20000)

n= number of times interest is compounded annually (1)

r= rate of interest (0.82)

T= total number of years (15)

20000=P(1+0.082/1)^1*15

20000=P(1.082)^15
20000=P(3.26143638)
20000/3.26143638=P
P=$6132.2674

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The sides OP and RO of triangle POR are produced to points S and T respectively. If ∠SPR = 145° and ∠POT = 115° , find ∠PRO

Margarita [4]

Answer:

$\angle PRQ = 80$

Step-by-step explanation:

Given

$\angle SPR = 145^o$

$\angle POT = 115^o$

See attachment

Required

Find $\angle PRO$

First, calculate $\angle RPO$

$\angle RPO + \angle SPR = 180$ --- angle on a straight line

So, we have:

$\angle RPO + 145 = 180$

Collect like terms

$\angle RPO = 180 - 145$

$\angle RPO = 35$

Next, calculate PQR

$\angle POR + \angle POT = 180$

So, we have:

$\angle POR + 115 = 180$

Collect like terms

$\angle POR = 180-115$

$\angle POR = 65$

So, PRO is calculated as:

$\angle PRO + \angle POR + \angle RPO = 180$ --- angles in a triangle

So, we have:

$\angle PRO + 65 + 35= 180$

$\angle PRO + 100= 180$

Collect like terms

$\angle PRO = 180-100$

$\angle PRO = 80$

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3 years ago

(n · 0.1) ÷ 3 = 0.1<br> What's N?

Ber [7]

N*0.1=0*1.3
n=0.3/0.1
n=3

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Anthony and Michelle have £65.25 between them. Anthony's amount is two thirds of Michelle's amount. How much money does each hav

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Answer:

43.50

Step-by-step explanation:

MULTIPLE THE 2 NUMBERS

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3 years ago

Barbara answered 72 questions correctly on her test. If her score on the test was 80%, how many questions were on the test?

Pani-rosa [81]

Answer is B - 90
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