So the ratio of boys to girls is 12:24.. now, is that an equivalent ratio as 2 boys for 4 girls? or 2:4? let's see.

you could start simplifying the 12/24 fraction by dividing by some common multiple, say 2, and get 6/12, then divide by 3 and get 2/4 and stop there.
then you'll notice that 12/24 is really 2/4 in disguise.
Three- Fifth of m is equal to 15
Step-by-step explanation:
Step 1:
Here the expression given is
3/5 m = 15
Step 2:
To express the equation in terms of sentence,
THREE-FIFTH OF M IS EQUAL TO 15
The answer is 12 because 576 divided 48 is 12 .
Answer:
17.78×9.208×4.445=727.7275768
D=mass÷volume
mass=density×volume
mass=19.3g/cm3×727,7275768=14045,14223224=14045grams