63+12x<15
12x<-48 (subtract 63 from both sides)
x<-4 (divide out the 12)
It would be 2/10 or 1/5 simplified
30% of the 30 marbles is nine and 9-30 = 21 so your answer is 21
18.75%
How much is 15 out of 80 written as a percentage? Convert fraction (ratio) 15 / 80 Answer: 18.75%
plz mark me as brainliest :)
X is Kevin; Y is Dan
X = 3Y
X - 4 = 5(Y - 4)
3Y - 4 = 5(Y - 4)
3Y - 4 = 5Y - 20
+ 4 +4
4 cancels each other out.
3Y = 5Y - 16
- 5 -5
5 cancels each other out.
-2Y = -16
/2 /2
Y = 8
X = 3Y;
X = 3 x 8;
Thus,
X = 24;
Kevin(x) is 24
