Answer:
3
3 x 6 = 18
3 x 7 = 21
You can also find the answer by knowing that the only number 21 is divisible by is 7 and 3
Step-by-step explanation:
It shows the supply for a product at various prices
16. q-8=14
add 8 on both sides
q=22
Answer:
400
Step-by-step explanation:
Movies, drinks and candies are independent events and you can choose one for each.
Movie: 10 options can be selected
drinks: 5
candy: 8
All types: 10 x 5 x 8 = 400
S=saving
X=amount left
S-55=x
Another way : x=s-55
