Answer:$3.50
Step-by-step explanation:find how much an individual lesson costs. 480/20=24 and 412.50/15=27.5 difference in price is equal to 3.5
24 hours in a day
24 divided by 8 = 3
400 mg times 3 doses = 1200 mg a day
mg to ounce is times 3.5274 x 10^-5
1200 times 3.5274 x 10^-5 = 0.0423288 oz
Answer:
18.75
Step-by-step explanation:
Remark
For this question, you need to set up a proportion. The ratio on each side of the equal sign is dollars over pounds.
Proportion
15/8 = x / 10 Cross Multiply
Solution
8x = 15 * 10 Combine
8x = 150 Divide by 8
x = 150/8
x = 18.75
Answer:
40x-24y
Step-by-step explanation: