nathan is trying to make very sweet iced coffee drink for his dad. how many grams of sugar must be added to 50 grams of coffee that is 30% sugar to obtain a mixture solution that is 70% sugar?

20 grams must be added more

Step-by-step explanation:

Given that:

Total grams of mixture = 50

when 30% mixture is sugar:

30% 0f 50 = 0.3(50)  = 15 grams of sugar

when 70% of mixture is sugar:

70% of 50 = 0.7(50) = 35 grams of sugar

So in order to make very sweet iced coffee drink that is 30% sugar (15 grams), 20 grams must be added to make 70% sugar (35 grams)  

i hope it will help you!

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

false

step-by-step explanation:

rulers and compasses arent required in order to bisect an angle because when bisecting angles, you're making a "half circle" and considering in order to bisect an angle it wouldn't be straight, you wouldn't need either of the two