Ms. gaines is saving one-eighth of her income to purchase a new car. if her income for one week was $890.20, how much did she save for her car?

111.28    1/8=0.125  0.125*890.20=111.275  money can only have 2 decimals so round up and $111.28 is your answer.

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

b

step-by-step explanation:

the word superfluous means unnecessary