Step-by-step explanation:
x^2=9/49
√x^2=√9/49
x=+or-3/7
The total cost is 455.26.
First, you do the math of the students and the chaperones. Students were $387 and the chaperones was $50.75.
Then, add. You get $437.75.
Now, add that 4% fee. That was $17.51
In all, it's $455.26.
Answer:
let this happens after t hours
so
80t + 60t = 392
140 t = 392
t = 392/140
=2.8 hours
22.65 is the answer. Just need to long divide
Answer:
-9.8n + 10.9
Step-by-step explanation:
2.9 + 8 = 10.9
-4n + -5.8n = -9.8n
