To solve, you start with distributive property and multiply 7 by n and 3 for
7n-21<-63 the you get the 7n alone by adding 21 to -63 and the 21 for 7n<-42. now you divide 7 by itself and 42 for n<-6
A is your answer
Cost = $5 for the burger and 0.3n is the cost of toppings
Answer:
x = 4 ; x = 8
Step-by-step explanation:

bring all the terms to one side and set equal to 0

factor the polynomial

set each factor equal to zero and solve

Answer:
1 lb. bag of cherries costs $3.55