Last year Rachel invested money in two accounts. The first account had an interest rate of 6% and the second account had an interest rate of 4%. If she invested $800 more in the first account than the second and her total interest income was $238. how much did she invest at each rate?

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5