How long will it take to pay off these debts? $1000 at 6.9%
$1000 at 10%
$1000 at 14%
$1000 at 18%

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)

The linear equation is: y=ax+b