Nina saves 40% of her summer job earnings for college.This summer she earned $200 more than last summer and she saved $900.write and sole an equation to find her earnings last summer

Respuesta :

irspow
Let m be the amount that she earned last summer.

(200+m)(40/100)=900

(8000+40m)/100=900

8000+40m=90000

40m=82000

m=$2050.00

check...

(40/100)(2050+200)=900

0.4(2250)=900

900=900