50,000 = 5 · 10,000 = 5 · 10⁴
Say you're trying to figure out what percentage 3 is of 15.
3/15 = x/100
You would cross multiply so..
3(100) = 15x
Then simplify.
300 = 15x
300/15 = 15x/15
20 = x
Therefore, 3 is 20% of 15.
Answer:
2520 cm²
Step-by-step explanation:
9 cm x 8 cm x 5 cm x 7cm = 2520 cm²
Since the coefficients of d are not equal, then there can only be one solution
