What is the answer to 2/5 =(30)/(3t+9) ?

The answer to 2/5 =(30)/(3t+9) is t=22

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2/5 =(30)/(3t+9)

\frac{2}{5} = \frac{30}{3 t + 9}

t = 22

Solution steps

\frac{2}{5} = \frac{30}{3 t + 9}

Cross multiply

2 (t + 3) = 50

Divide both sides by

2

t + 3 = 25

Move

3

to the right side

t = 22

Verify Solutions

Find undefined (singularity) points:

t = - 3

Combine undefined points with solutions:

t = 22

0 = \frac{1}{x ^{2} - 9}

4 π r - \frac{2000}{r ^{2}} = 0

\frac{6}{x} = \frac{2}{4}

\frac{150}{50} = \frac{0.5}{x}

3 x = \frac{7 x + 6}{x}