You can make a proportion of 8/20 to 42/x and then simply cross multiply from there to solve for y
Each student would get 1.6 brownies
Answer:
<h2>D</h2>
Step-by-step explanation:
If pair of ratios does form a true proportion then:



There is no commutative property for subtraction and division because order does matter. 6 - 5 will not give you the same answer as 5 - 6.
Answer:
SP = (1+P/100)CP.
Step-by-step explanation:
P% is our profit on our cost price.
Cp is our cost price.
We know,
Selling Price - Cost price = Profit = Profit * Cost Price
So,
SP = (1+P/100)CP.