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Alisiya [41]
1 year ago
10

Gabrielle's age is three times Mikhail's age. The sum of their ages is 20. What is Mikhail's age?

Mathematics
2 answers:
podryga [215]1 year ago
5 0
You can convert this problem into an equation.
3x + x = 20
When simplified, the problem is 4x = 20
You can easily solve for x, which is 5.
Mikhail’s age is 5 years old.
Can I have brainliest?
PtichkaEL [24]1 year ago
4 0

Answer:

Mikhail is 5 years old

Step-by-step explanation:

Represent each member with a variable.

X= Gabrille

Y=Mikhail

X+Y=20 (sum of their ages is 20)

X=3y (Gabrille is 3 times Mikhails age)

Substitute 3Y into the first equation (simultaneous equation)

. 3y+y=20

. 4y=20 (divide both sides by 4)

y=5

To check your answer.

X+5=20

X=20-5

X=15

15 is 5 times 3.

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Answer:

The first row has 4 pink flowers and 2 white flowers

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Step-by-step explanation:

Based on the above question,

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We can find the number of white flowers in each row by using the principle of ratio to solve this question.

Mathematically, what Molly planted is expressed as:

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Therefore for the three rows:

a. The first row is 4 pink flowers

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Therefore, the first row that Molly planted 4 pink flowers has 2 white flowers.

b. The second row, Molly planted 6 pink flowers

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6 pink flowers = designated as z

We cross multiply

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Divide both sides by 2

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z = 3 white flowers.

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c. The third row , Molly planted 8 pink flowers

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We cross multiply

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Divide both sides by 2

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Therefore, the third row that Molly planted 8 pink flowers has 4 white flowers.

Therefore, since Molly has decided to plant a garden with twice as

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The first row has 4 pink flowers and 2 white flowers

The second row has 6 pink flowers and 3 white flowers

The third row has 8 pink flowers and 4 white flowers.

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