In a lab, a 30% acid solution is being mixed with a 5% acid solution to create a 10% acid solution. What is the ratio of the amount Olof the 30% solution to the amount of 5% solution used to create the 10% solution

answer: c

(2, -4)

goes 7 to the

(9, 4)

easy

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

step-by-step explanation: