The johnsons are buying their first home. they are contemplating two similar loans. the first is a 30-year loan for $150,000 at an interest rate of 4.1% apt compounded monthly. the second is a 20-year loan for a $150,000 at an interest rate of 3.9% apr compounded monthly. what is the total amount the johnsons will pay by the end of the 20-year loan and by the end of the 30-year loan?

europa2433

europa2433

step-by-step explanation:

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional

a

step-by-step explanation:

don't report but were is the digram

step-by-step explanation: