Answer:
m=7
Step-by-step explanation:
1 blue jar = 21 marbles
1 blue jar = 3 red jars
Therefor
21 marbles= 3 red jars
(Now let m=1 red jar)
21= 3m
(Then sine we have 3m dived both sides by 3 to isolate the m)
21/3= 3m/3
7=m
Answer:20
Step-by-step explanation:
The first blank is 17
2nd blank is 85
3rd blank is 15
wat happened is
C=paid-costofpizzas
paid=100
costofpizzas=number of pizzas times cost per pizza
costofpizzas=5 times 17
so
C=100-5 times 17
C=100-85
C=15
change=$15
Y=2x+1 is the right answer to this
