Question 78

Sonu and Raj have to collect different kinds of leaves for a 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.

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Solution

According to the question,
Sonu collected leaves = 12 - 3 = 9
Raj collected leaves = x + 2x = 3x
$∵$ Total leaves collected = 9 + 3x
Hence, the required expression is 9 + 3x.

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Expression Formation

Standard VII Mathematics

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According to the question, Sonu collected leaves = 12 - 3 = 9 Raj collected leaves = x + 2x = 3x ∵ Total leaves collected = 9 + 3x Hence, the required expression is 9 + 3x.

According to the question,
Sonu collected leaves = 12 - 3 = 9
Raj collected leaves = x + 2x = 3x
$∵$ Total leaves collected = 9 + 3x
Hence, the required expression is 9 + 3x.