Sum of two numbers is 45. One is twice the other.
(A) If smaller number is l, find the other number.
(B) Find the equation formed.
(C) Find the numbers.
(A) | (B) | (C) | |
A | 2l | l + 2l = 45 | 10, 35 |
B | 2l | l + 2l = 45 | 15, 30 |
C | l + 2 | 45 + l + 2 = l | 15, 30 |
D | l/2 | 45 + l/2 – l = 0 | 25, 20 |
can you please explain me
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Ans 1:
Class : Class 9
The answer is option C. 3y+5y+y=180.
9y=180
y=180/90
y=20
Hence, option C is correct.