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When N is divided by T, the quotient is S and the remainder [#permalink]

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23 Oct 2006, 16:44

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1. When N is divided by T, the quotient is S and the remainder is V. Which of the following expression is equal to N?

A)ST
B)S+ V
C)ST + V
D)T(S+V)
E)ST (S-V)

2. The cost of picture frame M is $10 less than 3 times the cost of picture frame N. If the cost of frame M is $50, what is the cost of frame N?

A) 13.33
B) 16.66
C) 20
D) 26.66
E) 40

3. A sale person received a commission of 3 percent of the sale price for each first 100 machine that she sold and 4 percent of the sale price for machine that she sold after the first 100. If the sale price of each machine is $10,000 and she received $36,000 commission. How many machines did she sell?

for question 1, pick numbers
N=9, T=4, then S=2 and V=1

you will see very quickly that 9=4*2+1, therefore N=ST+V

for question 2
I used formula M=3N-10

50=3N-10, solve for N

Question 3

since we know the total commission of the first 100 machines is $300*100=30,000, divide (36,000-30,000) by 400 (commission for machines sold after the first 100)=15, therefore answer is 100+15=115

Re: Please Help: Three Math Questions [#permalink]

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28 Feb 2008, 12:48

g1m2a3t406 wrote:

1. When N is divided by T, the quotient is S and the remainder is V. Which of the following expression is equal to N?

A)ST B)S+ V C)ST + V D)T(S+V) E)ST (S-V)

2. The cost of picture frame M is $10 less than 3 times the cost of picture frame N. If the cost of frame M is $50, what is the cost of frame N?

A) 13.33 B) 16.66 C) 20 D) 26.66 E) 40

3. A sale person received a commission of 3 percent of the sale price for each first 100 machine that she sold and 4 percent of the sale price for machine that she sold after the first 100. If the sale price of each machine is $10,000 and she received $36,000 commission. How many machines did she sell?

A)90 B)103 C)105 D)115 E)120

1: Just write it out. Try it on a fraction such as 15/10. Ul see what I mean. T(S+V)=N. D

2: M=3N-10 --> N=20 when M =50. C

3: This one gave me a bit of trouble at first. but we can write it as such:

.04(x-100)10000=6000 b/c we know the first 100 are equal to 30000$.

Thus X is our total and thru calculations we get x=115.

Re: When N is divided by T, the quotient is S and the remainder [#permalink]

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