Question

Sonu and Raj have to
to collect different kinds of leaves for science project. They go to a park where Sonu
collects 12 leaves and Raj collects x leaves. After some time Sonu loses 3 leaves and Raj collects 2x leaves. Write an algebraic expression to find the total number of leaves collected by both of them.

Answer 1

Leaves Sonu collected = 12

Leaves Raj collected = x

Leaves Sonu lost = 3

Leaves Sonu gained = 2x

Total leaves collected = (12 - 3) + ( x + 2x)

= 9 + 3x

Therefore, total leaves collected are 9 + 3x

Answer 2

Given:

• Leaves collected by Sonu = 12
• Leaves collected by Raj = x
• Leaves Sonu loses later = 3
• Leaves Raj collects later = 2x

To Find:

Write an algebraic expression to find the total number of leaves collected by both of them.

Solution:

Total leaves collected by Sonu $=12-3=9$

Total leaves collected by Raj $= x+2x=3x$

∴ Total leaves collected by both $= \boxed {3x+9}$