Monica Capoor Solutions for Exercise 3: Exercise 9.1

Write any one form of statement of the following equation.

$7p-2=12$

Write any one form of statement of the following equation.

$\frac{x}{3}+2=5$

Write any one form of statement of the following equation.

$x-\frac{2x}{3}=9$

Set up an equation of the following case:

Tanay obtained $98$ marks in a mathematics test. His score is the highest in the class and it is also $8$ more than three times the lowest score.

$[$HINT: Take the lowest score be $l$$]$

Set up an equation of the following case:

Sheila's father is three times as old as her. The sum of their ages is $56$ years.

$[$HINT: Take Sheila's age to be $x$ years $]$

Set up an equation of the following case:

Sahil collected $89$ stamps. He collected $5$ stamps more than twice the number of stamps Aditya collected.

$[$HINT: Take the number of stamps collected by Aditya as $x ]$

Set up an equation of the following case:

Vinita's weight is $3 \mathrm{kg}$ more than twice her sister's weight. Vinita's weight is $65 \mathrm{kg}$.

$[$ HINT: Take Vinita's sister's weight to be $x \mathrm{kg} ]$

Set up an equation of the following case:

The sum of two numbers is $39$. The greater number is $7$ more than the smaller number.

$[$HINT: Take the smaller number to be $n ]$