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Vladimir [108]
2 years ago
13

Write all ratios in is There are three children in the Skosana family. Each week the eldest earns R270, the middle child earns R

180 and the youngest earns R90. Express these amounts as a ratio.​
Mathematics
1 answer:
geniusboy [140]2 years ago
4 0

From the amounts that are given, the ratio of the earnings will be 3:2:1.

<h3>How to calculate ratio</h3>

From the information, the eldest earns R270, the middle child earns R180 and the youngest earns R90.

Therefore, the common factor to the numbers will be 90. Therefore, the ratio will be:

270/90 = 3

180/90 = 2

90/90 = 1

The ratio is 3:2:1.

Learn more about ratio on:

brainly.com/question/2328454

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Keta sold tickets for her school play at $6 for students, and $9 for adults. She sold 15 adult tickets and made a sales total of
ss7ja [257]

Answer:

Let x be the number of tickets sold to adults and y the number sold to students:

x + y = 315. But we know that y was double x, then :

y = 2x

Plug the value of y (in the 1st equation) by 2x:

 x+ 2x = 315

3x = 315

and x = 105 (which is the number of tickets sold to adults

Read more on Brainly.com - brainly.com/question/4429543#readmore

Step-by-step explanation:

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3 years ago
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Jobisdone [24]

Answer:

-2x + 1

Step-by-step explanation:

1: -3x^2 + 5x + 2 - 1 - 7x + 3x^2

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3: 0 - 2x + 1

4: -2x + 1

Step 1: Given equation

Step 2: Group the terms with similar exponents together

Step 3: Add the terms together

Step 4: Simplify completely

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Solve for x: (x − 4) = 2
ICE Princess25 [194]

Answer:

x=6

Step-by-step explanation:

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What is 20k+11=8k+1 find k
elena-s [515]

k=-5/6 would be your answer

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What is wrong with the set listed below?<br><br> D = { m , a , t , h , e , m , a , t }
seropon [69]

Answer:

You cannot write same elements in a set.

Step-by-step explanation:

In Set Theory, you cannot write same elements in a set.

<u>E</u><u>x</u><u>a</u><u>m</u><u>p</u><u>l</u><u>e</u><u>s</u>

A = {1,1} is not correct; the correct is A = {1}

B = {a,a,b,b,c,c} is not correct; the correct is B = {a,b,c}

———

See for D = {m,a,t,h,e,m,a,t}

There are same m's, a's and t's.

The correct should be D = {m,a,t,h,e}

7 0
3 years ago
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