Answer: x=4
y=3
Step-by-step explanation:
12x-8y=24
6x-y=21
---------------------
y=6x-21
12x-8(6x-21)=24
12x-48x+168=24
-36x=-144
x=144/36
x=4
y=24-21
Answer:
16
she takes 2 quizzes every week
1/10
Decimal Form:
0.09
0.1
Fraction Form:
9/100
Percentage Form:
9%
10%
Hope that helps :-)