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forsale [732]
3 years ago
11

Grace and jack Share £140 in the ratio 3:4 work out the amout that jack gets

Mathematics
2 answers:
NISA [10]3 years ago
7 0
Jack gets 46.6 repeating
larisa [96]3 years ago
4 0
First work  out the 'Multiplier' :-
3 + 4 =  7  and 140 * 1/7  = £20

So jack  gets 4 * 20   = £80

( Grace gets 3 * 20 = £60
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What is the ratio
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seropon [69]

Answer:

Step-by-step explanation:

oto begin you should know that all triangles contain 180 degrees and that a flat line contains 180 degrees as well. This means that in order to find this answer you should begin by calculating the remianing angle in the traingle. This is done by 180-(95+51) and gives and angle of 34 degrees. Then take 180-(95+35) in order to get x. This gives an x of 51.

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4 0
2 years ago
Read 2 more answers
Find the markup and the cost of the following item. Round answers to the nearest cent.
marysya [2.9K]

Answer:

1st question: M=22.62 while C=75.38

2nd question: M=.22 while C=1.97

Step-by-step explanation:

If a mirror costing x dollars is marked up 30%, then we have to find x such that 30%x+x is 98 dollars.

We are solving:

.3x+x=98

Combine like terms:

1.3x=98

Divide both sides by 1.3:

x=75.38

M=98-75.38=22.62

C=75.38

So M=22.62 while C=75.38.

If ream of paper cost x and is marked up 11%, then we have to find x such that 11%x+x is 2.19.

We are solving:

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1.11x=2.19

x=1 97

M=2.19-1.97=.22

So M=.22 while C=1.97

5 0
3 years ago
-4(5+n) = -12 need help​
user100 [1]

First, simplify out the brackets:

-20 - 4n = -12

Then, combine like terms by moving the -20 to the other side

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Divide by -4 on both sides to isolate the n

n = 8/-4

n = -2

7 0
4 years ago
Read 2 more answers
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