Question
The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.
111
likes555 views
Answer to a math question The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.
Timmothy
4.899 Answers
Let x,y be the two numbers
then, x+y=144 --(1)
now, 2x-3y=63 --(2)
from (1),x=144-y
now substituting x value in eq(2)
2(144-y)-3y=63
288-2y-3y=63
288-5y=63
5y=288-63
5y=225
y=45
now finding x value,
x=144-45
x=99
Therefore,the two numbers are 99,45
Frequently asked questions (FAQs)
Math question: What is the equation of a circle centered at (2, -3) with a radius of 5?
+
What is the median of a set with 7 numbers, if the sum of the first 4 numbers is 85 and the sum of the last 3 numbers is 72?
+
What is the range of the sine function when x is between 0 and π/4?
+
New questions in Mathematics