Answer:
x = negative three fifthsy + 3
Step-by-step explanation:
5x + 3y = 15
Subtract 3y from both the sides,
5x = 15 - 3y
Divide by 5 on both sides,
x = -3y/5 + 15/5
x = -3y/5 + 3
2+1=3
15/3=5
split the 3 5's in ratio 2:1 and you get 10:5
There are 60 minutes in an hour and percent means per one hundred so:
p/100=18/60
p=1800/60
p=30%
Answer:
640 ounces
Step-by-step explanation:
128 fluid ounces per gallon x 5 gallons = 640 ounces
640 /100 = 6.4 ounces per balloon