Answer:
2x-15
Step-by-step explanation:
x+2x-15=90
3x-15=90
3x=90+15
x=105/3
the other angle is 55
Answer:
0.43%
Step-by-step explanation: Since there are 13 girls, you need to do 13/30 to find the percentage of girls.
Answer:
1/5 probability
Step-by-step explanation:
1) The total number of jelly beans is 20. This will be your denominator.
2) There are 4 red jelly beans. This is your numerator.
3) Using the numerator and denominator we have, your fraction is 4/20.
4) That can be simplified into 1/5.
Answer:
<h2>
y = 4</h2>
Step-by-step explanation:
x + 2y = 10 ⇒ 2y - 10 = -x
-x + 4y = 14
2y - 10 + 4y = 14
6y = 24
y = 4