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Natali [406]
4 years ago
5

Kate has a coin collection,She keeps 7 of the coins ln a box .Which is only 5% of her entire collection,What is the total number

of coins in Kate’s coin collection?
A 12
B 14
C 120
D 140
Mathematics
1 answer:
Dvinal [7]4 years ago
6 0

Answer:

D

Step-by-step explanation:

This basically means "7 is 5% of what number(total)".

<em>We can directly translate this into algebra:</em>

<u><em>Note: </em></u><em>"is" means "equal"  AND  "of" means "multiplication". Also, let the total be n</em>

<em />

Let's write the equation.

"7 is 5% of what number(total)"

7 = 5% * n

5% means 0.05, so:

7 = 0.05 * n

n = 7/0.05 = 140

Total number of coins is 140

Option D is right.

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Step-by-step explanation:

4 0
2 years ago
For school fundraiser, you are selling movie tickets and snacks. Each movie ticket is $5 and each snack is
liq [111]

Answer:

Step-by-step explanation:

$5=movie tickets

$3=snacks

they need a total of: $300

standard form is: Ax+By=C

the equation in standard form would be: 5x+3y=300

8 0
3 years ago
Number 7 help ASAP ASAP
MariettaO [177]

Answer:

7

Step-by-step explanation:

7 0
3 years ago
Write 17,390,000 in expanded form
scoray [572]

Answer:

The expanded form is:

17,390,000 = 10,000,000 + 7,000,000 + 300,000 + 90,000

Step-by-step explanation:

<em>Expanded form is a way of writing numbers with the mathematics value of digits.</em>

Ex: 7,327 in expanded form is 7,000 + 300 + 20 + 7 = 7,327

<em>So you can write any number in expanded form by adding the values of its digits places</em>

<em>Let us solve the question</em>

The number is 17,390,000

∵ The first digit 1 is in ten-millions place

∴ Its value = 10,000,000

∵ The second digit 7 is in the millions place

∴ Its value = 7,000,000

∵ The third digit 3 is in the hundred-thousands place

∴ Its value = 300,000

∵ The fourth digit 9 is in the ten-thousands

∴ Its value = 90,000

Add all of them

∴ 17,390,000 = 10,000,000 + 7,000,000 + 300,000 + 90,000

The expanded form is

17,390,000 = 10,000,000 + 7,000,000 + 300,000 + 90,000

7 0
3 years ago
PLEASE HELP, I'VE ASKED THIS QUESTION THREE TIMES AND NO ONE WILL ANSWER SO PLEASE HELP!!!!!!!!!!!!!!!!!!!
Yuliya22 [10]

Answer:I would add 3x on both sides because it would allow you to have a positive variable saving you time and effort.

Step-by-step explanation:7=7x-9

5 0
3 years ago
Read 2 more answers
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