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Answer:
13/2
Step-by-step explanation:
Hope this helps if you need steps let me know.
Answer:
<em>q</em> = 12<em>x</em>
Step-by-step explanation:
<em>q</em> = 3<em>x</em> + 9<em>x</em>
Combine like terms
<em>q</em> = 12<em>x</em>
12×10+15y=390
120+15y=390
15y=270
y=18
So 18 adult t-shirts were sold
Answer: n=4 y=3
Step-by-step explanation:
3n - y = 9
2n + y = 11
n=4
3(4) - y = 9
12 - y = 9
y=3
