A, C, and E. Both sides of the ratio has to change at the same time. If you multiply both sides by 2 you get 8:10. If you divide both sides by 2 you get 2:2.5. and if you divide by 1.5 you get 3:3.75.
Sorry if my explanation doesn't make sense
The answer will be is the 100.
The total cost, C, is the sum of the cost to produce the centerpieces and the fixed cost. The equation for C is C = 8n + 500.
The total revenue, R, of Julio's floral business is the product of the cost per centerpiece and the number of centerpieces sold. The equation for R is R = 19.50n.
Answer: 
<u>Switch operations</u>
Before: 
After: 
Before you switch operation you remove the subtraction sign where -(16) is.
4.30 × (0.40)= d (what the discount is, but not money owed) subtract that from original 4.30-d=b. then add 0.06 of 4.30 to b.