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3 years ago

Hi guys can l ask...... A BABY IS 3WEEKS AND 4 DAYS OLD. WHAT IS THE AGE OF THE BABY IN DAYS

Mathematics

2 answers:

Vinvika [58]3 years ago

6 0

<h3><em>Solution</em> : - </h3>

1 week = 7 days

3 weeks = 3 × 7 = 21 days

3 weeks and 4 days = 21 + 4 = 25 days

makkiz [27]3 years ago

3 0

Answer:

25 days old

Step-by-step explanation:

7 days = 1 week

3 x 7 = 21

21 + 4 = 25

25 days old

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3 years ago

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3 years ago

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One month Ravi rented4 movies and8video games for a total of $57 The next month he rented2 movies and3 video games for a total o

e-lub [12.9K]

SOLUTION

Given the question in the question tab, the following are the solution steps to get the rental cost for each movie and each video game.

Step 1: Write the representation for the two rentals

Let m represents movies

Let v represent video games

Step 2: Write the statements in form of a mathematical equation

$\begin{gathered} \text{Month 1: }4m+8v=57 \\ \text{Month 2: }2m+3v=23 \end{gathered}$

Step 3: Solve the equations above simultaneously using elimination method to get the values of m and v

$\begin{gathered} 4m+8v=57----(1) \\ 2m+3v=23----(2) \\ \text{ multiply equation 1 by 2 and equation 2 by }4 \\ 8m+16v=114----(3) \\ 8m+12v=92----(4) \\ \text{subtract equation (4) from equation (3)} \\ 4v=22 \\ v=\frac{22}{4}=5.5 \\ \text{Substitute 5.5 for v in equation 1 to get the value of m} \\ 4m+8v=57 \\ 4m+8(5.5)=57 \\ 4m+44=57 \\ 4m=57-44=13 \\ m=\frac{13}{4}=3.25 \\ m=\text{\$}3.25,v=\text{\$}5.50 \end{gathered}$

Rental cost for each movies is $3.25

Rental cost for each video games $5.50

8 0

1 year ago

Hi guys can l ask...... A BABY IS 3WEEKS AND 4 DAYS OLD. WHAT IS THE AGE OF THE BABY IN DAYS​

Hi guys can l ask...... A BABY IS 3WEEKS AND 4 DAYS OLD. WHAT IS THE AGE OF THE BABY IN DAYS