Answer:

Step-by-step explanation:
we have

Solve for h
That means ----> isolate the variable h
step 1
Multiply by 6 both sides

step 2
Divide by
both sides

Let us convert the percentages to decimal format first.. so 5% is just 5/100 or 0.05 and 15% is just 15/100 or 0.15
so hmmm, so, let's say it needs "x" amount and "y" amount of each respectively, so, whatever "x" and "y" are, they must add up to 100, and whatever their concentration is, must add up to what the mixture yields
thus

solve for "x"
what's "y"? well, y = 100 - x
Answer:
times it
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
x=-2
Step-by-step explanation:
add 5x , then subtract 45, then divide by 15