a restaurant has lemonade that is 12% sugar and another that is 7% sugar. How many gallons of each type does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar.

A.) 12 gallons of 12% and 8 gallons of 7%
B.) 10 gallons of 12% and 10 gallons of 7%
C.) 8 gallons of 12% and 12 gallons of 7%
D.) 2gallons of 12% and 18 gallons of 7%
please help.
if anyone took connections im in Algebra 1 unit 7 lesson 8 if you could help

4 answers

(x * .12) + [(20 - x) * .07] = 20 * .10
what does that mean
x is the number of gallons of 12%

you should be worried...
yep... i am so not ready for this. to to go and study AGAIN