Fiona is mixing fertilizer with peat moss to add to her garden. The amount of fertilizer is
proportional to the amount of peat moss
Fiona adds 3/4 lb of fertilizer for every 12 lb of peat moss. What is the constant of proportionality
for the relationship between the weight of the fertilizer and the weight of the peat moss?

answer: 45

21.4 i did it already for s1

step-by-step explanation:

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: