Answer:
Step-by-step explanation:
Let n represent the number
Twice the number =2n
4 times the number = 4n
Given that twice the number is atleast 3 less than four times the number
Algebraically this can be written as
2n≤4n-3
We can add 3 to both sides
So n should be atleast 1.5
If n is natural number or integer then least value of n is 2.
3x = 4y
X+y = 21
Multiply second equation by 3
3x+3y= 63
Substitute 3x with 4y
4y + y = 21
5y = 21
Y=4.2
X + 4.2 = 21
x= 16.8
Answer:
90 degrees and 180 degrees
Step-by-step explanation:
90 degrees and 180 degrees