Between 2000 and 2010, the percentage of households with cordless phones increased by 13.7% to 82%. what percentage of households had cordless phones in 2000?
about % of households had cordless phones in 2000.

note: simply subtracting 13.7-82 is incorrect and has been marked incorrect.

question : to find what percentage of households had cordless phones in 2000, translate the "increased by" statement to an "of" statement. let a be the percentage of households in 2000 and b be the percentage of households in 2010. what is the proper "of" statement?

72%

72.12% to 2 d.p.

Step-by-step explanation:

Between 2000 and 2010, the percentage of households with cordless phones increased by 13.7% to 82%.

In 2010, A people had cordless phones.

In 2000, B people had cordless phones.

B = A * 113.7% = 82

B = A * 1.137 = 82

Rearrange the formula to find A:

A = B / 1.137 = 72.12 to 2 d.p

In 2010, 72.12% people had cordless phones.

In 2000, 82% people had cordless phones.

Depending on the accuracy the question asks for, change the answer accordingly.

72.12 * 1.137 = 82.00044

36/60

36/2=18

60/2=30

18/30

18/3=6

30/3=10

6/10

6/2=3

10/2=5

your final answer would be 3/5 of an

hope this !