Answer:
28
Step-by-step explanation:
18+6+4=28
Answer:
15 mL of the solution with 20% water will be needed.
Step-by-step explanation:
Use the inverse relationship
10 mL * (18-15)% = x mL * (20-18)%
x = 10 mL * (3/2) = 15 mL
Answer:1.5
Step-by-step explanation:
Well you have to first find the constant of Brand X which would be 2.70/10 = .27. Brand Y is .4 more so that would be .31 per ounce. So then .31 x 11 = 3.41. The cost of 11 ounces of brand Y is $3.41.
Answer:
80 degrees
Step-by-step explanation:
Do 90 plus 10.
The do 180 minus 100
because a triangle adds up to 180