Twice a number can be written as 2n.
Four times the number can be written as 4n.
If the sum of 2n and 4n equals 54, then:
6n = 54
Divide both sides by 6 to solve for n:
n = 9
Answer: 6 and 2/3
Step-by-step explanation:
6 whole number and 2/3, its a mixed fraction
20,000,000 + 400,000 + 80,000 + 4,000 + 100 + 60 + 3
Divide then multiply by 100:
280 / 3500 = 0.08
0.08 x 100 = 8%
Answer: 8%
Answer:
-(2/5)^3 or -8/125 or -0.064
Step-by-step explanation:
convert the decimal into a fraction
then use your calculator to find the exact answer
