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german
3 years ago
14

1. Bethany wants to save $720 to buy a new computer. If she has 15 weeks to save the money, how much must she save each week?

Mathematics
1 answer:
Mrac [35]3 years ago
3 0

Answer:

She has to save $48 dollars each week

Step-by-step explanation:

For this equation, all you have to do is divide 720 dollars by 15 weeks, or 720 divided by 15. That gets you your answer of 48.

Hope this helps!

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Mr. Jackson invested a sum of money at 6% per year, and 3 times as much at 4%
bogdanovich [222]

Mr. Jackson invested $800 at 6% per year and $ 2400  at 4 % per year

<h3><u>Solution:</u></h3>

Mr. Jackson invested a sum of money at 6% per year, and 3 times as much at 4% per year.

Let the sum invested be ‘a’ and ‘3a’ at 6% per year and 4 % per year respectively

Also, his annual return totaled $144

We can form following equation on the basis of question:-

\begin{array}{l}{\text { Then, } \frac{a \times 6 \times 1}{100}+\frac{3 a \times 4 \times 1}{100}=\$ 144} \\\\ {\frac{6 a}{100}+\frac{12 a}{100}=144} \\\\ {\frac{6 a+12 a}{100}=144} \\\\ {\frac{18 a}{100}=144} \\\\ {18 a=14400} \\\\ {a=14400 \div 18}\end{array}

a = $800

The amount of money invested at 6% = a = 800

The amount of money invested at 4 % = 3a = 3(800) = 2400

So, the amount of money invested at 6% is $800 and the amount of money invested at 4% is $ 2400

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3 years ago
PLEASE HELP ME!
Ganezh [65]

42.8% players practised more than one time a week

Step-by-step explanation:

Total no of players practising = 7

Players who practice more than once a week= 3

(According to graph player no 1,3 and 5 played more than once in a week)

To find the percentage of the players who practised more than one time a week

The formula used is:

percentage of players practising more than one time a week=  ( no of player playing more than once / total no of players ) x 100%

Putting values in the formula

percentage of players playing more than one time a week= 3/7x100%%

                                                                                       = 0.428x100%%

                                                                                       = 42.8%

So, 42.8% players practised more than one time a week

Keywords:  Calculation of percentage

Learn more about calculation of percentage at

  • brainly.com/question/4390083
  • brainly.com/question/6073431

#learnwithBrainly

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3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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