Answer:
2n - 3
Step-by-step explanation:
twice means multiply by 2
decreased by 3 means subtract 3
"a number" n
"twice a number" 2n
"twice a number decreased by 3" 2n - 3
Answer:
210.
Step-by-step explanation:
123/3=42
42 times 5 =210
Answer:
C. 5^4
Step-by-step explanation:
(5^4 * 5^5) / 5^5
5^9 / 5^5
5^4
Answer: 3/2= 1 1/2 = 1.5= 150%
Step-by-step explanation:
Just convert the fractions from mixed number to decimal form to percentage by multiplying by 100. Per Cent means per 100. Think about it as 100 pennies makes a dollar.
Answer:
a) 8%
b) 10%
c) 50%
Step-by-step explanation:
a) 6/73= 0.08 x 100= 8%
b) 10/77= 0.1 x 100= 10%
c) 73/150= 0.5 x 100= 50%