A tree diagram is the answer
Answer:
See below
Step-by-step explanation:
3*7
3(3+4)
3*3 + 3*4
9 + 12
21
Answer:
9
Step-by-step explanation:
the answer is 9 because 7=y so , 7+2=9
Answer:
Step-by-step explanation:
The total sold is the sum of the individual numbers sold, hence c+h.
We assume "3 times more" means "3 times as many", so the number of hotdogs sold (h) is 3 times the number of cheeseburgers sold (c), hence 3c.
c + h = 220
h = 3c
_____
55 cheeseburgers and 165 hotdogs were sold.