Question

Please help me I will give brainliest

Answer 1

Answer:

60 milligrams

Step-by-step explanation:

just cross multiply! percentages are just fractions of 100. so you can say that $\frac{45}{x} =\frac{75}{100}$

multiple 75 by x and 45 by 100 and you get

4500=75x

divide both sides by 75 and you get 60