Step-by-step explanation:
B
1100
To find the sum of the first n terms of an arithmetic series use the formula,
S
n
=
2
n(a
1
+a
n
)
S
20
=
2
20(10+100)
S
20
=
2
2200
S
20
=1100
Answer:
x = 6
Step-by-step explanation:
The ratio is 14/5. 700/250 reduces to 14/5.
Answer:
The radio would be 3:8 or 3/8
Step-by-step explanation:
One way to do it to divide 18 by 48. If you get a fraction of your calculator, convert it into a fraction. A fraction and a ratio are the man the same thing but are written in different ways.
