Advertisements
Advertisements
Question
Sonu and Raj have 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.
Advertisements
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.
APPEARS IN
RELATED QUESTIONS
Factorize x3 - 2x2 y + 3xy2 - 6y3
Factorize `x^2 - 2sqrt2x - 30`
Factorize `5sqrt5x^2 + 20x + 3sqrt5`
Simplify `(155 xx 155 xx 155 - 55 xx 55 xx 55)/(155 xx 155 + 155 xx 55 + 55 xx 55)`
If 3x + 5y = 11 and xy = 2, find the value of 9x2 + 25y2
Multiply: x2 + 4y2 + z3 + 2xy + xz − 2yz by x − 2y − z
If a + b + c = 9 and ab + bc + ca = 40, find a2 + b2 +c2.
Evaluate: `(1/2 "a" + 1/2 "b") (1/2 "a" - 1/2 "b")`
Divide: 35a3 + 3a2b - 2ab2 by 5a - b
In the formula, area of circle = πr2, the numerical constant of the expression πr2 is ______.
