Answer:
x=4
Step-by-step explanation:
-3x+12-12=x-4-12
-3x=x-16
-3x-x=x-16-x
-4x=-16
-4 divided by -16
x=4
Answer:
s divided by 6
Step-by-step explanation:
there's 6 ppl and there's s sandwiches
Answer:
25%
Step-by-step explanation:
The price dropped by $7, because $28-$21=$7.
7/28 is 1/4. 1/4 in a percentage is 25%, because 1/4=25/100
Answer:
He can purchase 300 white baloons.
Step-by-step explanation:
150$ is 15000 cents
15000 = 60b + 30w
b being number of blue baloons,w number of white baloons and 60 and 30 prices in cents
15000 = 60*100 + 30w
15000 - 60*100 = 30w
15000- 6000 = 30w
30w = 9000
w =300
number of white baloons is 300
