3 years ago

Write a word problem that can be solved using the equation 5x = 3x + 20

1 answer:

8 0

John has x amount of dogs. Solve for x to find how many dogs john has.

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belka [17]

Answer:

x=12

Step-by-step explanation:

Using Proportion:

$\tt \cfrac{x}{16} =\cfrac{9}{x}$

$\tt x^2=9(16)$

$\tt x=12$

3 0

2 years ago

Karo-lina-s [1.5K]

Answer:

658-10=648

Step-by-step explanation:

subtract 10 from 658.

6 0

3 years ago

gladu [14]

The surface area of the cube is 600cm^2.

6(10^2)
6(100)
600

3 0

3 years ago

I am Lyosha [343]

X=8 because add 11 to both sides and it becomes 28=3.5x and divide both sides by 3.5 so x=8

5 0

3 years ago

Reptile [31]

When 20 is increased by 30% of itself

When 20 is added to by (30% OF 20)

20 + (30% x 20)

20 + (0.3 x 20)

20 + (6)

26

5 0

3 years ago