Tiffany and Brianna each bought a pair of headphones and some new songs. Tiffany bought 12 songs and spent $44, while Brianna bought 20 songs and spent $50. How much did the headphones and each song cost?

step-by-step :

so, converting firstly the mixed fractions to improper fractions and then "adding".

6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.