Ariana and her father share her college costs in a ratio of 1:4. What part did she pay of her $12,000 college costs this year?

The alternatives are as follows: a. $3,000 b. $ 2,400 c. 9,000 and d. 9,600

1 Answer
Feb 16, 2018

Ariana and her father share her college costs in a ratio of 1:4.
taking #x# to be the common multiple,

so, #x + 4x# = #"total cost. "#

#5x=12000#

#x=12000/5#

#x=$2400#

therefore, alternative b. $2,400 is the correct one.