N= 13*c+8
n=15*c
15c=13c+8
15c-13c=8
2c=8
c=8:2
c=4 children
n= 15*4=60 notebooks
Answer:
2.5 miles, 5 miles, no
Step-by-step explanation:
The cost is y and ounces is x so the equation is y = ___x it how many ounces
-8n+7=31
-8n+7-7=31-7
-8n=31-7
-8n=24
-8n÷(-8)=24÷(-8)
n=24÷(-8)
n=-24÷8
n=-3
Answer:
it`s acute because the angle is less than 90 degrees