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blsea [12.9K]
3 years ago
5

larry and steve have 171 marbles in all. the number of marbles larry has is 39 fewer than 3/7 of the number of marbles steve has

. how many marbles does steve have.
Mathematics
1 answer:
yawa3891 [41]3 years ago
4 0
L + S = 171
L = 3/7S - 39

3/7S - 39 + S = 171
3/7S + S = 171 + 39
3/7S + 7/7S = 210
10/7S = 210
S = 210 / (10/7)
S = 210 * 7/10
S = 1470/10
S = 147 <=== steve has 147 marbles

Larry has : 171 - 147 = 24 marbles
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Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{k = 53}}}}}

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\bigstar{ \sf{   \:  \: \frac{3 + k}{14} = 4}}

\tt{Step \: 1 \: } : Do cross multiplication

\hookrightarrow{ \sf{3 + k = 4 \times 14}}

\tt{Step \: 2} : Multiply the numbers : 4 and 14

\hookrightarrow{ \sf{3 + k = 56}}

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\hookrightarrow{ \sf{k = 56 - 3}}

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\hookrightarrow{ \sf{k = 53}}

The value of k is 53

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8 0
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Company B: starting salary-28,000 Yearly salary increase-2,400
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Answer:

Sharla, 4400

Step-by-step explanation:

Paul's Salary:

Paul started at company B. Starting salary of company B is $ 28,000 with a yearly increase of $ 2,400. Paul's Salary in first year will be 28,000. In second year his salary will be 28000 + 2400, in 3rd year his salary will be: 28000 + 2(2400) and so on.

Since, the increase in Paul's salary every year is $ 2400, the increase in his salary after 10 years or in 10th year would be = 2400 x 9 = $ 21,600

So, his total salary in 10th year would be = 28000 + 21600 = $ 49,600

Sharla's Salary:

Sharla started at company C. Starting salary of company C is $ 36,000 with a yearly increase of $ 2,000.

Since, the increase in Sharla's salary every year is $ 2000, the increase in her salary after 10 years or in 10th year would be = 2000 x 9 = $ 18,000

So, her total salary in 10th year would be = 36000 + 18000 = $ 54,000

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Sharla earned more in 10th year an amount equal to $ 4400. So the answer is:

In the last year, <u>Sharla</u> earned <u>$4,400</u> more.

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Kryger [21]

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Step-by-step explanation:

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Keywords: decrease, percentage

Learn more about percentages at:

  • brainly.com/question/1386181
  • brainly.com/question/1388658

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All the other answers contain information not included in the problem
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