Advertisements
Advertisements
Question
Find the value of 2a + 4b + 5c, when a = 5, b = 10 and c = 20
Sum
Advertisements
Solution
2a + 4b + 5c
= 2 × 5 + 4 × 10 + 5 × 20
= 10 + 40 + 100
= 150
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
b + z − d = ....................
State true and false:
The value of x + 5 = 6, when x = 1
State true and false:
`(2"x"-4)/("x"+1)` = − 1, when x = 1
Evaluate:
(23 – 15) + 4
Simplify:
(15b − 6b) − (8b + 4b)
Simplify:
6a2 + (2a2 − a2) − (a2 − b2)
Fill in the blank:
3x − z + y = 3x − (..............)
Insert the bracket as indicated:
x2 − y2 + z2 = x2 − (..................)
Insert the bracket as indicated:
2x − y + 2z = 2z − (....................)
Simplify:
`8"x"−(3"x"−overline(2"x"-3))`
