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LuckyWell [14K]

3 years ago

13

Can anyone help me on this question please.

1 answer:

asambeis [7]3 years ago

4 0

Answer:

12

Step-by-step explanation:

quarterly means 4

3*4 = 12

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Dominic spent hours on his art project. Rachel worked times as long on her art project as Dominic worked. For how many hours did

Nina [5.8K]

Answer:

Rachel worked for $3\frac{2}{3}$ hours

<em></em>

Step-by-step explanation:

<em>See comment for complete question</em>

Given

Let

$D = Dominic$

$R = Rachel$

So:

$D = 2\frac{3}{4}$

and

$R =1\frac{1}{3}$ as long as D

Required

Determine the number of hours spent by Rachel

This implies that:

$R =1\frac{1}{3}$ as long as D

Rewrite as:

$R =1\frac{1}{3} * D$

Substitute: $D = 2\frac{3}{4}$

$R =1\frac{1}{3} * 2\frac{3}{4}$

Express as improper fraction

$R =\frac{4}{3} * \frac{11}{4}$

This gives:

$R =\frac{1}{3} * 11$

$R =\frac{11}{3}$

Express as mixed numbers

$R =3\frac{2}{3}$

<em>Hence, Rachel worked for </em> $3\frac{2}{3}$ <em> hours</em>

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