36 miles an hour
3miles/5min to x/60min multiply top and bottom by 12 and you get 36miles/60min
I got F^-1(x) = x/4 + 4/9.
I believe the answer is B.
So first create and define your variables:
Z = amount of zebra fish
N = amount of neon tetras
Now create your equations:
2z+2.15n=31.20
z+n=15
This is your system. There are multiple methods to use but in this problem I’ll use the substitution method by simplifying the bottom equation.
2z+2.15n=31.20
z=15-n
Now I’ll plug the bottom equation into the top one.
2(15-n)+2.15n=31.20
And just solve from here.
30-2n+2.15n=31.20
0.15n=1.20
n=8
So he bout 8 neon tetras, and 15-8= 7, so he bought 7 zebra fish
Answer:
5.75
Step-by-step explanation:
4) 230 ÷ 40 = 5.75
Answer:
9 and 18
Step-by-step explanation:
