SOLUTION: The percent of carbohydrates by weight in grapes is 15%. The percent of carbohydrates in an orange is 7%. Danika consumed a total of 325 g of grapes and oranges. The percent of car

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The percent of carbohydrates by weight in grapes is 15%. The percent of carbohydrates in an orange is 7%. Danika consumed a total of 325 g of grapes and oranges. The percent of car      Log On


   

Question 1106536: The percent of carbohydrates by weight in grapes is 15%. The percent of carbohydrates in an orange is 7%. Danika consumed a total of 325 g of grapes and oranges. The percent of carbohydrates in the mixture she ate was 10%. How many grams of grapes did she eat? How many grams of oranges?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
This is a mixture percents problem.

g grams of grapes
n grams of oraNges
system%28g%2Bn=325%2C0.15g%2B0.07n=0.10%2A325%29

15g%2B7g=10%2A325
15g%2B7%28325-g%29=10%2A325
15g%2B7%2A325-7g=10%2A325
8g%2B7%2A325=10%2A325
8g=3%2A325
g=121.875
Only_can_accept_three_figures
highlight%28g=122%29---------grams grapes
-
highlight%28n=203%29--------grams oranges