SOLUTION: A doctor prescribes an ointment that is 2% hydrocortisone. A pharmacist as 1% and 5% concentrations in stock. How much of each should the pharmacist use to make a 1-ounce tube?

SOLUTION: A doctor prescribes an ointment that is 2% hydrocortisone. A pharmacist as 1% and 5% concentrations in stock. How much of each should the pharmacist use to make a 1-ounce tube?

Algebra.Com

Question 104222This question is from textbook College Algebra
: A doctor prescribes an ointment that is 2% hydrocortisone. A pharmacist as 1% and 5% concentrations in stock. How much of each should the pharmacist use to make a 1-ounce tube? This question is from textbook College Algebra

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
let x=(amount of 5%); so 1-x=(amount of 1%)

x(5%)+(1-x)(1%)=1(2%)

RELATED QUESTIONS
A doctor prescribes an ointment that is 2% hydrocortisone. A pharmacist has 1% and 5%... (answered by Fombitz,richwmiller)

A doctor prescribes an ointment that is 4% hydrocortisone. A pharmacist has 1% and 5%... (answered by Boreal)

A doctor prescribes an ointment that is 5% hydrocortisone. A pharmacist has 1% and 9%... (answered by edjones)

A doctor prescribes an ointment that is 4% hydrocortisone. A pharmacist has 1% and 5%... (answered by mananth)

A doctor prescribes an oitment that is 2% hydrocortisone. A pharmacist has 1% and 5%... (answered by stanbon)

A doctor perscribes an ointment that is 2% hydrocortisone. A pharmacist has 1% and 5%... (answered by checkley77)

i know it said don't dump your homework but i only have these two for college algebra.... (answered by mananth)

a pharmacist wants to mix an ointment that is 6% zinc with and ointment that is 12% zinc (answered by richwmiller)

Thank you for helping me with this ALLOGATION MATH: word problem You have in stock a... (answered by richwmiller)