Step-by-step explanation:
DB length = 5 1/4 + 2/3
=21/4 + 2/3
= 63/12 + 8/12 = 71/12
CD length = 5 1/4 -2 = 3 1/4
If you reduce the 5 for 20, you will get 1 for $4. Therefore, 12×4 will be the answer ($48)
If I'm understanding the question right:
12) 24 x 10^4
13) 93,000,000