# Find missing percentage %

**Lillian**Group Moderator- Posts : 48

x % of 250 + 25% of 68 = 67.

Find x.

45

10

20

25

Find x.

45

10

20

25

**Admin**Administrator- Posts : 180

__x__X

__+__~~250~~

__X__~~25~~

__= 67__~~68~~

__5x__+

__17__= 67

2 1

Multiply through by 2

__5x__X 2 +

__17__X 2 = 67 X 2

2 1

5x + 34 =134

Collection of like terms

5x = 134 - 34

5x = 100

Divide both sides by 5

__=__~~5~~x

~~100~~

__x=20 Answer__

MathsBoard Forum Admin

You can avoid reality, but you cannot avoid the consequences of avoiding reality.

**Monsterman**Member- Posts : 41

Paradise wrote:xX+~~250~~X~~25~~= 67~~68~~~~100~~1~~100~~15x+17= 67

2 1

Multiply through by 25xX 2 +17X 2 = 67 X 2

2 1

5x + 34 =134

Collection of like terms

5x = 134 - 34

5x = 100

Divide both sides by 5=~~5~~x~~100~~

~~5~~~~5~~x=20 Answer

x = 20

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