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3 years ago

Mallorie has 3$ in her wallet. If this is 10% of her monthly allowance, what is her monthly allowance

Mathematics

1 answer:

Mamont248 [21]3 years ago

8 0

Answer:

Step-by-step explanation:

Write 10% as a decimal then divide 3 by 0.1 (10% as a decimal)

hope this is good owo

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422 8/100 fraction notation

Ivenika [448]

The rule to convert a mixed fraction to an improper fraction is

$a\frac{b}{c} =\frac{(a)(c)+b}{c}$

Here in $422\frac{8}{100}$

Here a = 422, b = 8 and c = 100

Now a × c = 422 × 100 = 42200

And 42200 + 8 = 42208

So we have

$422\frac{8}{100} =\frac{(422)(100)+8}{10}=\frac{42200+8}{100}=\frac{42208}{100}$

This fraction can also be reduced as

$\frac{42208}{100}=\frac{10552}{25}$

Hence

$422\frac{8}{100}=\frac{42208}{100}=\frac{10552}{25}$

4 0

3 years ago

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A 600g packet of biscuits costs $2.40. Calculate How much would a 200g packet cost?

sp2606 [1]

Answer:

$0.8

Step-by-step explanation:

There is a relation of direct proportion between quantity of biscuit and its cost.

Let 200 g biscuit will cost $x.

Therefore,

$\frac{600}{2.40} = \frac{200}{x} \\ \\ x = \frac{2.40 \times 200}{600} \\ \\ x = 0.4 \times 2 \\ \\ x = 0.8$

3 0

3 years ago

PLS TELL ME HOW THIS TRICK WORKED!! I HAVE TO SUBMIT KT SOON!

madreJ [45]

Answer:

x=2

Step-by-step explanation:

let the unknown number be x

now we are to find x regarding the question as an equation, let's form the equation to solve for x

the interpretation of the question is:

(x² + x)/3 = x

by collecting the like terms:

(x²+ x) = 3x

x² + x = 3x

x² = 3x - x

x² = 2x

x = 2

8 0

3 years ago

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F K = {(x, y) | x - y = 5}, is Set K a function?

muminat

Answer:

Yes, because the linear function x - y = 5 is a function

Step-by-step explanation:

x - y = 5 can look like y = x - 5 with slope 1 and y-intercept -5

so this is a function which makes set K a function.

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3 years ago

X + y = 8<br> Let x = 6. What is y?<br> Enter the correct answer.<br> DONE<br> DOO

ella [17]

Y=2 is the correct answer

8 0

2 years ago

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