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USPshnik [31]
3 years ago
12

The sum of ruqiyo’s age and Mohammed’s age is 117. Five times ruqiyo’s age is 9 more than 3 times mohammed’s age. How old is eac

h person
Mathematics
1 answer:
Bess [88]3 years ago
3 0

Answer:

  • 45 and 72

Step-by-step explanation:

Let the ages be r and m

<u>We have:</u>

  • r + m = 117
  • 5r = 9 + 3m

<u>Substitute m in the second equation and solve for r:</u>

  • m = 117 - r
  • 5r = 9 + 3( 117 - r)
  • 5r = 9 + 351 - 3r
  • 5r + 3r = 360
  • 8r = 360
  • r = 360/8
  • r = 45

<u>Then m is</u>

  • m = 117 - 45 = 72
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Eric's average income for the four months of the year 1450 point to $5 what must be his average income for the remaining eight m
Zielflug [23.3K]

Answer:

$2668.63

Step-by-step explanation:

If the average of 4 months is $5

Meaning the total sum for 4 months

4×5 =$20

If the average for the year was $1780.75​

It means the total sum for a year is;

$1780.75​×12 =$21369

This means the money received for the remaining 8 months is;

$21369-$20=$21349

Hence the average income for the remaining 8months is ;

The total amount for 8 months / 8;

$21349/8= $2668.625

$2668.63

8 0
3 years ago
What is the simplest for of 72
White raven [17]

Answer:

18/25

Step-by-step explanation:

And as any numbers can divide exactly both numbers, then “18/25” is the simplest form of “. 72”.

8 0
4 years ago
Read 2 more answers
Please I need help asap
jasenka [17]

Answer:

Option D - x = 3 3/5

Step-by-step explanation:

Lets make the left side into an improper fraction :

2 2/5 = 12/5

Now let's make both fraction into equivalent ones but with the same denominator :

2/3 = 10/15

12/5 = 36/15

Now we substitute the equivalent values back into the equation :

10/15 × x = 36/15

Now we multiply both sides by 15 to remove the denominators:

10 × x = 36

Now we divide both sides by 10 and simplify :

x = 36/10

x = 18/5

x = 3 3/5

So our answer will be Option D  

Hope this helped and brainliest please

7 0
2 years ago
What is 1/4 times 268?
tia_tia [17]
1/4 is equal to 0.25. so you can multiply 0.25 and 268 to get your answer of 67
8 0
3 years ago
9/15+2/5 need help adding fractions
GenaCL600 [577]

Answer:

15/15 aka 1

Step-by-step explanation:

9/15 and 2/5

keep the 9/15 and then denominator the bottom number has to be the same as the first one so multiply 5 times 3 to get 15 whatever you do to the bottom you have to do to the top so 2 times 3 equals 6.

9/15 and 6/15

9+6 equals 15

15/15 which then equals 1

4 0
3 years ago
Read 2 more answers
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