10/3 = x / 12.....$ 10 to 3 lbs = $ x to 12 lbs
cross multiply
3x = 120
x = 120/3
x = 40....so it is gonna cost Sylvia $ 40 for the meat.
she plans on making 50 burgers......40 ($ worth of meat) / 50 (burgers) =
0.8....so for each burger, the meat will cost 0.80 or 80 cents <==
Answer:
The rate of change is 1/2
Step-by-step explanation:
Formula:
y-y/x-x
The two points i chose were (-1,1) and (1,1)
You plug them in:
1-0/ 1 - (-1)
leaving you with 1/2
Answer:r<4/7
Step-by-step explanation:
35r-21<-35r+19
Collect like terms
35r+35r<21+19
70r<40
divide both sides by 70
70r/70<40/70
r<40/70
r<4/7
Answer:
12.5 %
Step-by-step explanation:
You can use 5/10 and 50% which is the same as 0.5%