Answer:
30:1
Step-by-step explanation:
90:3
90÷3=30
3÷3=1
=30:1
Answer:
310
Step-by-step explanation:
What is 310 as a decimal? To write 310 as a decimal you have to divide numerator by the denominator of the fraction. 310 is not a fraction so it is a decimal already.
HE will need to refill his tank because on his return he will be 6 minles shrt of being back.
Answer:
(3,2)
Step-by-step explanation:
Let's solve this via elimination method:

By subtracting equation 2 from equation one we obtain:

Next we can use any equation either 1 or 2 to determine what x is, I'll use equation 1. Let y=2 and so:

Therefore the solution for the system of equations is:
x=3 and y = 2 as an ordered pair we have (3,2)
Answer:
64%
Step-by-step explanation:
16 divided by 25 is 0.64 then multiply by 100 to convert a decimal to a percentage which equals 64%.